Hope this helps sarge. I compiled a list for my backpacking class from a variety of sources, including your site, and added a few of my own.
· A-Frame: A basic tent or cabin shape, the cross section of which resembles an "A".
· Altitude: The amount of elevation you are above sea level.
· Altimeter: an instrument that measures elevation by using barometric (air) pressure.
· Alpinist: One who climbs mountains.
· Alpine Zone: the area consisting of all the land above tree line. The alpine zone is best defined by its plant life. Conifers such as spruce and balsam grow as Krumholz near the tree line, giving way to tundra-type lichens, moss, and shrubs above.
· Backpacking Duffel: A duffel bag large enough to hold a full-size, fully packed backpack. Used to transport the pack to and from trailheads via airplanes or trains, it minimizes the chances of straps getting snagged and thieves stealing from the outer pockets.
· Badlands: This refers to regions with little or no vegetation, poor soils and topography deeply dissected by erosion that is unfit for agriculture. Desolate and unpopulated these mazes of washes, arroyos and canyons were ideal hideouts for thieves and rustlers during the mid to late 19th century. This only added to the already bad reputation such places had with native peoples. Today many areas once considered badlands are challenging places to go bushwhacking and never see another person.
· Bald: A low elevation mountain surrounded by forest yet devoid of trees on the crown. Typically covered with meadows, balds can offer great views and are often a good place to find wild berries such as raspberries, blackberries, and blueberries. They also attract much wildlife.
· Bandana: square cotton cloth with a vast variety of uses on the trail
· Base Layer: The layer of clothing closest to the skin.
· Base Line: A line of reference that crosses your path of travel. Use a baseline to make following a bearing easier.
· Bathtub Floor: A leakproof, usually detachable tent floor that folds upwards at edges of tent to connect to tent walls a few inches off the ground, preventing leakage from ground-level seams. Detachable ones offer the option of going floorless on dry ground.
· Bear Bag: A camp game in which contestants attempt to hoist a heavy container of food onto a fragile tree limb without breaking the limb. The winner must place the bag a sufficient distance from both the trunk of the tree and the ground.
· Bear Country - an area known to accommodate bears. A place where you hope you are faster than your buddy.
· Bearing: the direction of travel from your current position to a landmark or destination expressed in degrees from 1 to 360. Also called an Azimuth
· Bench mark: a permanent object, either natural or man-made, with a known elevation that can be used as a reference point when navigating. Back at home, your favorite pub.
· Bivouac: The site where a tent is set up.
· Bivy Sack: A small one-man tent with one, two or zero poles.
· Bladder: Flexible water container usually made of nylon or plastic.
· Blow-down: shallow soil is a poor anchor for trees. Strong winds knock over swaths of timber, creating a difficult or impossible blockage in the trail.
· Bluff: In topographic terms a bluff is a steep rise that has a rounded face and flat top. In hiking terms a bluff can mean some uphill hoofing. A bluff is smaller than an escarpment.
· Boil Time: The amount of time it takes one liter of water to reach the boiling point at a given elevation.
· Booties - a type of down shoe that is worn in the winter to keep the feet nice and toasty.
· British Thermal Unit (BTU): The measurement of energy required to raise one pound of water on degree Fahrenheit.
· BLM: Bureau of Land Management The modern BLM was created in 1946 when the General Land Office and the Grazing Service were merged within the Department of the Interior. The land that the Bureau manages is separate from other government agencies such as the Park Service, Forest Service and comprises about 43% of total U.S. land (270 million acres) Most of the holdings are in western states and Alaska. Besides mining and livestock grazing BLM land offer a plethora of recreational opportunities.
· Bubba’s: Car campers who insist on blaring Gun’s and Roses until 1:00 am while drinking large amounts of Natural Light. Most Bubba’s will be driving 4x4 trucks with Calvin’s urinating on something, and will be decked from head to toe in NASCAR apparel. Approach with extreme caution.
· Burn Time: The amount of time a camp stove or lantern will burn given its capacity of fuel.
· Bushwhacking: The art of cutting your legs up, significantly increasing the possibility of being stung by bees, getting bitten by snakes, getting lost, breaking a limb.
· Caches - a container that is filled with provisions that have been previously dropped off so that it can be used at a later date.
· Camp: Area where one sets up to stay for the night, and party/sleep.
· Camp Chair: A chair that's lightweight, packable, and can be converted to a sleeping pad, making it a good choice backcountry camping. Some inflatable and open-cell/closed-cell foam pads convert into chairs with webbing strips and buckles and/or poles.
· Camp Shoe - a shoe worn around camp after a long day of hiking in trail boots.
· Cannister: Canisters contain a pressurized blend of fuels like propane, butane, isobutane, and isopropane that is released as a gas. Canister stoves are much simpler and quieter than liquid-fuel stoves, have precise flame control, typically last years without maintenance, and are a fraction of the bulk and weight of a liquid-fuel burner. Negatives include a severely diminished flame in freezing temps and strong winds, and a decrease in flame intensity as the canister empties. It uses more expensive fuel, few canisters are recyclable, and none, at this time, are refillable.
· Cairn: a stack or mound of stones used to mark a trail's route through areas that are devoid of trees.
· Cardinal points: the four main points of direction on a compass- North / 360 degrees; East / 90 degrees; South / 180 degrees; and West / 270 degrees.
· Cat hole - a hole that is dug and used as a latrine.
· Cement-block Blister Boxes - boots that do not seem to break in and create monster blisters on your feet.
· Cinch Straps: Adjustable straps often used to compress a stuff sack or to keep a load close to your back.
· Collapsible Poles: Expansion plugs inside the pole shaft lock when you twist pole sections in opposite directions. Twist-locking poles allow highly variable length adjustments. Snap-lock poles adjust via clips that open and close with a flick of your thumb.
· Col: A saddle-shaped depression along the crest of a ridge or a pass in the mountains. Geographically, cols are important gateways through ridges from one cirque to another. In many cases a col is where trails and routes cross ridges. Sometimes these are simple, easy trails; other times they can be dangerous scrambles up loose talus and scree-choked gullies.
· Compass: A magnetic navigation device that points to magnetic north and allows you to determine direction by comparison.
· Condensation: Moisture forming on the inner wall of your tent due to inadequate ventilation.
· Confluence: The point at which two or more streams come together and form one tributary. In arid regions where watercourses dry up on a seasonal basis, streambeds can be used as trails ~ and confluences represent important landmarks. In the mountains many trails follow streams or rivers. Keeping track of the confluences helps you pinpoint your position on a topographic map. Confluence can also refer to the point where two glaciers meet.
· Conifer: Trees that reproduce seeds in cones, have needles and are perennial (meaning that they do not shed needles during the winter season). Conifers make up the majority of species throughout western US forests in part because of their ability to survive cold, snowy winters.
· Contour interval: the difference in elevation (height) between one contour line and the next.
· Contour line: an often irregular closed loop that connects points of equal elevation. The line with a darker shade of brown, typically every fifth line, is called an index contour and usually has the elevation printed on it. Elevations refer to elevation above sea level.
· Cool Max: DuPont's hydrophobic (water-hating) polyester with fiber cross sections that produce a strong wicking action; often used in outerwear linings and light layering garments.
· Coordinate: a series of numbers that indicate on which map and in which grid the position displayed is located. Latitude and longitude are nothing more than coordinates on a grid.
· Corduroy: a road, trail or bridge formed by logs laid transversely, side by side, to facilitate crossing swampy areas.
· Cornice: A cornice is actually a snow formation that occurs along ridges, in cols, saddles and notches. During the course of the winter, most storms come from one general direction in any given mountainous region. The snow driven by wind begins to collect on the lyward side of above mentioned places and creates a dangerous structure that resembles a frozen ocean wave. Cornices are ticking time bombs waiting to break-off and avalanche. The chances of a release are higher on sunny spring days late in the afternoon.
· Cotton Duck: A heavy canvas treated to make it water-resistant. Did I mention this is HEAVY?
· Cowboy Coffee - coffee grounds that are poured generously into a steaming cup of hot water with no cream or sugar. This coffee will definitely put hair on your chest.
· Crampons: Metal boot attachments that allow you increased traction on icy/snowy trails.
· Cut Through - a non-designated trail used to shortcut obstacles or mileage. This is a no-no for Backpacking.
· Daypack: Small backpack that holds enough gear for a one-day outing.
· Declination: the difference in degrees between magnetic north (the direction the magnetic needle on a compass points) and true or geographic north (the direction maps are printed towards).
· Dehydration - not having enough fluids in the body for proper function. This can lead to some serious complications.
· Degrees: A unit of measurement used to describe an angle within a circle, to measure to measure latitude and longitude, and to establish bearing on a compass.
· Deep-lugged Sole: A boot sole featuring deep ridges and grooves for maximum traction.
· Designated Wilderness Area: In 1964 the United States Congress passed the Wilderness Act. The act enabled government agencies such as the Forest Service, Park Service and Bureau of Land Management to set aside lands that were untrampled by modern civilization, and manage and preserve them as truly wild areas. These areas offer hikers a chance to enjoy a nonmechanized experience away from the conveniences of modern civilization. National Parks can have wilderness areas within the park boundaries, but these are different from Designated Wilderness Areas in numerous ways, depending on which agency manages the area. The United States Forest Service and Bureau of Land Management allow animal grazing and firearms within Wilderness Areas, but the National Park Service does not. All agree that bicycles, hang gliders and any motorized vehicles are strictly prohibited within any wilderness boundries. Because it does take an act of Congress to get wilderness protected, being designated is like winning the lottery. Throughout the United States many "wilderness" lands are still under study for possible official designation by Congress. Without protection, these lands often become developed and tame instead of wild free places available to anyone.
· Dirtbagging: Another term for ultra-light type backpacking, with the addition of beer.
· Dome: A free-standing tent shape where the poles create a dome by curving over each other.
· Double-walled Tent: A tent made of dual construction fabric that provides insulation by trapping a pocket of air between the layers.
· Dry Sack: A waterproof bag that folds or rolls down in such a way that it can be sealed off when closed. Made for storing gear when paddling in canoes or kayaks, these sacks are also useful on backcountry hikes where rainy conditions are expected.
· Duct Tape: A backpacker’s best friend. Can be used to patch up about anything in a jiffy.
· Duff: Partially decayed vegetable matter on the forest floor. It burns easily and is responsible for many forest fires.
· Elevation: Amount of distance, in feet, that you are climbing up or down.
· Escarpment: A steep slope or cliff that separates two level ~ or near level ~ surfaces. Escarpments can be a formidable barrier for hikers bushwhacking off-trail.
· Esker: A continuous, winding ridge formed from the deposits of a stream that onced flowed beneath a glacier. Long after glaciers recede, eskers remain. The become grown over with plants and eventually blend into the landscape.
· External Frame Pack: A backpack supported by a rigid frame on the outside of the pack.
· Fat Lighter - a type of dead pine that has a high concentration of flammable sap. Should be used sparingly as it is rare to find in the wilderness.
· Fleece: The generic term for synthetic pile fabrics like Malden's Polartec, Draper's EcoPile, and Dyersburg's E.C.O. Fleece. Used to keep warm in layering.
· Flood Plain: Level land that may be submerged seasonally by flood waters. On a large scale, the states that border the Mississippi River comprise a huge floodplain. On a smaller scale, swamps and adjoining lowlands can comprise a floodplain.
· Fire, Pit - this type of fire is dug into the ground. It should be no more than a foot deep and the topsoil saved to replace afterwards. This fire is a temporary one, usually for cooking.
· Fire, Tee-Pee - this is the most common fire. The wood is leaned into the center of a circle, like an Indian teepee. This fire yields warmth and flame.
· Fire, Log Cabin - a fire that uses crissed-crossed wood to promote burning. This type of fire yields a lot of flame.
· Fleece - a type of material that wicks water away from the body. Should not be made from 100% cotton.
· Floor Area: The amount of usable floor space in a tent, measured in square feet.
· Food Bag - a stuff sack that is specifically for camp food. Needs to be sturdy enough to be hauled up so that critters can’t get into it during the night.
· Foot: The rounded end of a sleeping bag, also called a foot-box.
· Footprint: The shape and square footage of a tent floor.
· Freestanding: Tents that do not require stakes or guy lines to stand erect.
· Freeze Dried - a way to preserve food. Very lightweight, but costly.
· Fuel: Combustible matter used in a stove or lantern. See White Gas.
· Gaiters - basically rain pants for your boots. They wrap around your leg, below the knee and over the top of your boots.
· Giardia: more properly known as giardiasis, an infection of the lower intestines cause by the amoebic cyst, Giardia lamblia. Giardia resides in water so it is wise to always chemically treat or filter your water before drinking. Symptoms include stomach cramps, diarrhea, bloating, loss of appetite and vomiting. Also know as, a backpacker’s worst nightmare.
· Gorp - a mixture of peanuts, raisins, chocolates, coconut, etc. God for a quick bite on the trail and can be any mixture of goodies you want.
· Gore-Tex: A waterproof/breathable material made by W.L. Gore.
· Gradient: The degree of a slope's incline. On a topographic map, gradient is roughly indicated by how closely spaced the contour lines are at a given location. The closer the contour lines, the greater the gradient ~ that is, the steeper the slope. Contour lines spaced farther apart indicate a gentler slope.
· Grommet: A small metal ring, usually in the webbing of a stake loop, that anchors a pole at the corner of a tent or provides a lashing point for guylines.
· Ground Stakes: Anchors that hold a tent to the ground. Available in a variety of materials and styles.
· Gusseted Tongue (Bellows): A leather piece attached to both sides of the upper on a hiking boot, designed to keep out water and dirt.
· Guy-Out Points: Peg and tie-down loops on tents and rain-flys that aid anchoring.
· Hard Woods: Hardwoods are broad-leafed trees, as opposed to evergreen trees which have needles. Hardwoods are deciduous, which means that unlike evergreens (which are perennials) they shed their leaves in autumn and become dormant for the winter.
· Head Lamp - basically a flashlight that sits on your head.
· Heat Stroke - when the core body temperature rises above 98.6. If not treated early enough, can become serious and even fatal.
· Hip Belt: The main support device on a backpack. Large padded belt that buckles around the waist and is fully adjustable.
· Hollofil: These synthetic insulations will perform similarly to others, but are heavier and bulkier than newer versions, which is why they typically are found in less expensive bags.
· Hollow: Where two hills slope to meet, usually ending at a creek bed.
· Hot Spot: A burning feeling, normally on the bottom of foot, caused by friction. Normally, if untreated, this will turn into a blister.
· Hunting Season: A risky time of year for wild game such as deer, pheasant, turkey ~ and risky, too, for humans who hike the hills. Always check with a ranger station or Department of Fish and Game for your state to find out if there is an active hunting season in progress and where. Some states have a website for their Department of Fish and Game ~ http://search.yahoo.com/bin/search?p=department+of+fish+and+game. Otherwise, check the blue pages of your phone book for the phone number. Protect yourself by wearing bright colors during any hunting season ~ even if hunting is illegal where you're hiking. I once came out of a hiker's walking meditation along a stretch of the Appalachian Trail ~ where no hunting is ever allowed ~ and found a camouflaged bowhunter looking at us through the sights on his bow.
· Hypothermia - when the core body temperature drops below 98.6. If not treated early, it can become very serious and even fatal.
· Insulation - the trapping and harnessing of body heat to keep ones self warm.
· Internal Frame Pack: A backpack supported by stays on the inside of the construction.
· Iodine Tablet - a tablet that is used to make water drinkable.
· Jerky - any type of meat that has been dehydrated. A very good trail food.
· Jump-up - a section of trail/land that is very steep and usually rocky. Swearing is allowed on this part of the trail.
· Knob: 1. a prominent rounded hill or mountain. 2. An annoying thru-hiker who hasn’t talked to anybody in weeks.
· Krumholz: (German for crooked wood) trees growing in dense, twisted, spreading masses near the tree line.
· LNT – Leave No Trace. Term used when causing minimal impact to environment.
· Lash Points, Lash and Loops: Metal fasteners, loops or other places to attach gear on a pack or jacket.
· Latrine - an area that a group designates to be the primitive restroom. Usually a dug trench that is covered over with the saved soil.
· Layering - clothing that is chosen for water wicking abilities and insulation abilities. That can be taken off or put on according to the weather. There are 3 basic layers: Base Layer-Long underwear that wicks water (hydrophobic), Middle Layer-Clothing that traps and holds heat (insulation), and Outer Layer-This layer protects you from the elements (waterproof).
· Lean-to: a three-sided shelter with an over-hanging roof and one open side.
· Lexan: A material used in water bottles and other camping wear that is extremely durable and can withstand a wide range of temperatures.
· Loft: the height and thickness of insulation in a sleeping bag. See Rating.
· Loop: A backpacking trail that ends where it begins.
· Love Nest – 1. two sleeping bags that can be zipped together creating a cozy area for two sleeping together or to be used to help re-warm a hypothermic victim. 2. What most single males call their 2 man tent.
· Lumbar Pad: A support on a backpack to comfort heavy loads on the lower back.
· Lumber road: a crude road constructed for the purpose of hauling logs. Also known as a tote road.
· Lycra: DuPont's brand of spandex, an elastic material made of polyurethane.
· Modified Dome: A dome tent that has been designed for specific elements, such as wind or snow.
· Moleskin: Type of band-aid used to cover hot-spots and blisters.
· Mummy Bag: A close fitting, shaped, hooded sleeping bag very efficient at conserving body heat.
· National Forest Service (NFS): A bureau of the Department of Agriculture the Forest Service manages 190 million acres which is about 25% of federal land holdings. Most of the land is in the western U.S. The land is managed for timber production, recreation, grazing, watershed management, and wilderness preservation.
· National Park Service: Despite that land had been set aside as early as 1872 the National Park Service wasn't established until 1916. Like the BLM the NPS is a bureau of the Department of the Interior. The system of parks and presrves today includes 337 designated areas and totals about 10% of all federal lands. Land managed National Park Service is protected for reasons of cultural, historical or natural significance. These range from the Appomattox Courthouse NHP where Lee surrendered to Grant to end the civil war to the Appalachian Trail, to Yosemite NP.
· Newbie: 1. A rookie backpacker. 2. You!
· Old Growth Forests: Old-growth forests in the United States are generally defined as being older than the first European settlements here. The ages can vary regionally, but old-growth is usually between 350-750 years old. Some stands are older than 1,000 years, but in most cases, these are restricted to hard-to-reach pockets such as canyons. Because of aggressive logging, old-growth forests presently comprise only two percent of existing forests in the United States. The biggest difference between an old-growth forest and a younger forest is the presence of very large live trees, large, old, standing dead trees, and downed old logs. Because of these factors an old-growth forest is able to cycle energy, nutrients, and water more slowly and efficiently, as well as provide a richer habitat for numerous species of flora and fauna.
· One Pot Wonders - meals that can be made in one pot, but taste like a five course meal.
· Orange: Orange colored clothing worn during hunting season so Rambo doesn’t mistake you for a deer.
· Orienteering: using a map and compass in the field to determine your route of travel.
· Outslope: the downhill slope of well-constructed trail that allows water to drain.
· Overlapping Tongue: The leather piece on a hiking boot that will help keep out dirt and snow.
· Packed Size: The dimensions of a collapsed tent and its contents, in square inches.
· Panel Loading: Packs that allow access to the body of the bag, in addition to the top, so gear can be loaded from all angles.
· Parka - the outer layer of the layering system. Usually is waterproof.
· Pole Sleeves: Fabric tunnels on the outside of a tent into which the tent poles are inserted.
· Pot Holder - a metal or cloth device that allows one to hold the cooking pot, and not burn the fingers.
· Puncheon: a log bridge built over fragile terrain that is wet.
· Priming: Allowing fuel to collect in the burner of a white-gas stove before ignition.
· Purifier: A drinking water system that removes contaminates and eliminates viruses with a combination of specialized filters.
· Rambo: A person hunting in the woods, who doesn’t know the difference between a human and a deer. Hunters with a Pabst Blue Ribbon buzz.
· Rain-fly: 1. A tent covering that aids in keeping a tent dry and windproof. 2. A Ballad by Nelly.
· Rand: The outer rubber strip that encircles a hiking boot or climbing shoe.
· Rating: The degree Fahrenheit to which a sleeping bag is constructed to sleep comfortably. i.e. -30ø, 0ø, +15ø.
· Ravine: a deep, narrow cleft in the earth's surface, usually caused by runoff.
· Ridge - an area, on a mountain, where two slopes come together and creates a high point and slopes downward from the peak that continues the length of the two slopes.
· Route: Any planned course of travel.
· Ruck Sack - Basically like a day pack. This term is used most commonly by mountaineers.
· Runoff: rainfall that is not absorbed by the soil.
· Saddle: a ridge between two peaks.
· Scale: the distance between two points on a map as they relate to the distance between those two points on the earth.
· Scramble - hiking on uneven and sometimes rocky terrain. One may have to use hands for balance.
· Scree slope: a slope with an angle of at least 30 degrees and covered with small rocks and gravel that have broken away from the cliffs above.
· Seam Seal - the art of making sure seams of a tent, bivy bag, etc. are waterproof.
· Shank: 1. A metal or nylon plate installed in the instep of a shoe or boot to provide support. 2. Weapon used in prison riots (OK that had nothing to do with backpacking).
· Shell: The outer lining of a bag, usually made from an abrasion-resistant material, or the waterproof outer-garment worn when layering.
· Sherpa: A mountaineer who guides other to peaks and carries their gear, or a boyfriend taking his girlfriend backpacking for the first time.
· Shock Cord: A thin elastic cord running through tent poles to prevent separation and loss and expedite set-up.
· Shoulder Stabilizer - a strap found on most modern packs that is located on each shoulder. When cinched down it brings the load of the pack closer to the shoulders, thus taking the weight off of the hips.
· Shoulder Yoke - this is the point where the shoulder straps attach to the backpack. The shoulder yokes should be adjusted so that the shoulder straps are just off of the shoulders themselves.
· Slackpack: When thru hikers give their gear to a person who drives it to a meeting point (the next trailhead or trail town) so the hikers can travel without a pack. Usually done one day at a time in order to avoid carrying any overnight gear.
· Single-walled Tent: A lightweight, single-fabric construction tent that is chemically treated for insulation any water-proof-ness but may not be very breathable.
· Snow Shoes: Allow backpacker to hike in snowy winter conditions. Normally made of aluminum or wood.
· Snow Stakes: Wide, platform-type stakes used to anchor a 4-season tent in snow-pack.
· Spring - this is where water, from the water table, is flowing freely out of the ground. They are unreliable in dry weather.
· Stay: The backbone of aluminum or plastic material supporting an internal frame backpack.
· Sternum Strap - a strap that connects the two shoulder straps together. It brings the weight of the pack towards the center of your torso.
· Stuff Sack: nylon or mesh bag when you put your gear.
· Sweat Lodge - an Indian structure that is used to talk to the spirit world, or a canvas tent.
· Switchback: zigzagging trail up the side of a steep ridge, hill or mountain. Allows for a more gradual and less strenuous ascent.
· Synthetics - a man made material that is used to supplement the insulation of down.
· Talus slope: Talus slopes are more angled, sloping at 45 degrees or more, than scree slopes. Talus is larger than scree and the rocks have sharper edges
· Tarn: a small mountain lake.
· Tarp - a section of waterproof material that can be used to dine on or tent under. Very versatile in backpacking.
· Tent Fly - the waterproof material that lays over the tent opening to keep it waterproof.
· Tent, 2 Season - a tent that is used primarily in hot and dry areas.
· Tent, 3 Season - a tent that can be used in hot and dry areas as well as wet.
· Tent, 4 Season - a tent that is primarily used during the winter. It can handle the weight of snow and is very durable.
· Tent, Free Standing - a type of tent that does not need tent stakes to stay up right, it has a metal frame on the inside.
· Tent, Pyramid - this tent has no floor. It is similar to an Indian Tee-Pee.
· Thermoloft: DuPont's medium-loft synthetic insulation that combines solid-core polyester fibers with hollow Quallofil fibers; used most often in insulated outerwear, where high-loft fills are too bulky and low-loft fills aren't warm enough.
· Thinsulate: 3M's 35 percent polyester/65 percent olefin insulation spun into a low-loft construction. It is an efficient insulator for its minimal thickness, and is most often used in outerwear, footwear, and gloves because of its low bulk.
· Thruhiker: A very smelly, skinny person who is fortunate enough to hike very long trails for a very long time.
· Tinder – 1. the base fuel for a fire. Similar to Fat Lighter. Burns quickly. 2. Elvis slang for “tender”.
· Titanium: A relatively new addition to the cookware scene, titanium is amazingly lightweight and strong, and perhaps the way to go if you're obsessive about ounces. It's expensive, though. As for the stick factor, titanium falls somewhere between aluminum and stainless.
· Topo - short for topographic. A type of map that shows the contour and elevation of the land.
· Traverse: to go up, down, or across a slope at an angle.
· Top-loading: A backpack that is packed from the bottom up through the main access at the top, duffel bag style.
· Topographical Map: A map that identifies land features (topography), as well as roads and man-made structures.
· Trail: The path on which you hike.
· Trail Blaze: A mark (painted, metal, etc) on the trail that signifies that you are on the proper trail. Mainly can be seen on tress, rocks or man made posts.
· Trail Head - The beginning of a trail.
· Trail Name or Handle: What you call yourself when backpacking, your nickname.
· Travel (Conversion) Pack: A hybrid pack that can be worn on the back or carried like a traditional suitcase.
· Tree Line: the elevation above which trees won't grow.
· Trowel - a small shovel used to bury or dig cat holes/latrines, among other things.
· TwoTracks: Wide trail signified by two tracks. Could be an old log road, bridle trail, snowmobile trail, etc.
· Tunnel Tent: A low profile tent that is long and rounded.
· Two-Way Zipper: Two zippers running towards each other on the same slider, can be opened from either end.
· Ultralight: A term used to describe gear and clothing that is significantly lighter than most models of that item. Term invented by Ray Jardine.
· Ultralight Tent: A tent designed for one or two people, weighing five pounds or less and designed to carry on or in a backpack.
· Vapor Barrier - does not allow water vapor to move through. Used inside sleeping bags to add extra warmth.
· Vestibule: The area outside of a tent, usually created by an extended rain-fly.
· Vlei: a marsh or swampy meadow. Pronounced vly.
· Volume: The amount of space in a backpack measured in cubic inches.
· Water Filter - a device used to cleanse water on the trail.
· White-gas: A distillate of petroleum, petroleum naptha, that burns with a white, hot flame. Commonly used in backpacking stoves.
· Whiteout: A condition of zero or extremely limited visibility caused when fog or thick clouds or rapidly falling snow.
· Wicking - the act of pulling water away from the body.
· Widow Maker - a tree or limb that has a possibility of falling on a hiker.
· Windchill - the temperature after taking into consideration of how fast the wind is blowing.
· Windscreen: A thin aluminum sheet that wraps around your stove to shield your torch from menacing gusts.
· Wool: The fleece of sheeps? coats, which retains some of its insulating qualities when damp; requires line drying to prevent heat shrinkage in a dryer.
· Yogi – 1. the art of swindling food from tourists. 2. The only bear you’ll ever want to hug.
· Yurt: A large circular tent with vertical walls and a low conical roof. Yurts originated in Mongolia and were traditionally made of yak hides. Now most yurts are made of canvas and are used as backcountry lodging for skiers, hikers, and cyclists.
· Zipper Lock Bag: A resealable plastic bag that closes easily by engaging a channeled "zipper" that extends across the opening. Some of these bags are watertight.
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