n. A contrivance, as a pitfall or some mechanical device that shuts suddenly, often by means of a spring, used for taking game and other animals.n. A device for confining and suddenly releasing or tossing into the air objects to be shot at, as live pigeons or glass balls.n. A kind of fish-net used especially in Narragansett Bay, consisting of an oblong inclosure of netting on three sides and at the bottom, anchored securely by the side of the channel.n. A double-curved pipe, or a U-shaped section of a pipe, with or without valves, serving to form a water-seal to prevent the passage of air or gases through a pipe with which it is connected.n. A piece of wood, somewhat in the shape of a shoe, hollowed at the heel, and moving on a pivot, in which the ball is placed in playing trap-ball; also, the game itself. See trap-ball.n. A trap-door.n. Any small complicated structure, especially one that is out of order; a rickety thing: so called in contempt. Compare rattletrap.n. A carriage.n. Any device or contrivance to betray one into speech or act, or to catch one unawares; an ambush; a stratagem.n. Contrivance; craft.n. A sheriff's officer, or a policeman.To catch in a trap: as. to trap foxes or beaver.To insnare; take by stratagem: applied to persons.To capture (fish) by means of a trap or trap-net.To put in a trap and release to be shot at, as pigeons or glass balls.In plumbing, to furnish with a trap.Theat., to furnish (a stage) with the requisite traps for the plays to be performed.To stop and hold, as the shuttle of a loom in the warp, or gas, a liquid, heat, etc., by an obstruction or impervious or sealed inclosure, as in the case of liquids or gases, or by insulating substances, as with heat or electricity; specifically, to stop and hold by a trap for the purpose of removing, as air carried forward by or entangled in water flowing through pipes, etc., water deposited from compressed atmospheric air when cooled, or condensed from steam in the passage of the latter through pipes, or air from pipes or receptacles into or through which steam is to be passed.To set traps for game: as, to trap for beaver.To handle or work the trap in a shooting-match.To become stopped or impeded, as steam through accumulation of condensed water in a low part of a horizontal pipe, or in a steam-radiator by the presence of air which cannot escape, or the flow of water through a siphon by accumulation of air in the upper part of the bend, etc.n. A kind of movable ladder or steps; a ladder leading up to a loft.n. In geology, any dark-colored rock having more or less of a columnar structure and apparently volcanic or eruptive in origin.n. A horse-cloth; an ornamental cloth or housing for a horse; ornamental harness; a trapping: usually in the plural.n. plural Belongings; appurtenances; impedimenta: used frequently of baggage.To furnish with trapping or ornamental housing, or necessary or usual harness or appurtenances, especially when these are of an ornamental character.