(trap) noun
1. A device for catching game or other animals, as a pitfall or a baited device so arranged that a slight disturbance causes it to close or fall and thus kill or capture the victim.
2. A contrivance for hurling clay pigeons or glass balls into the air for sportsmen to shoot at.
3. Any artifice by which a person may be betrayed or taken unawares.
4. Mech. A U- or S-bend in a pipe, etc., for stopping return flow, as of noxious gas,
5. A trap door.
6. Colloq. A light, two-wheeled carriage suspended by springs.
7. A rattltrap.
8. plural Traps.
9 a The game of trap ball. b A pivoted piece of wood, resembling a low shoe, used in the game of trap ball to throw a ball into the air.
10. In some games, especially golf, an obstacle or hazard: a water trap, sand trap.
11. U.S. Slang The mouth: Shut your trap.
—v. trapped, trap·ping v.t.
1. To catch in a trap; ensnare.
2. To provide with a trap.
3. To stop or hold by some obstruction: said of a liquid.
—v.i.
4. To set traps for game; be a trapper. [OE treppe, træppe]

(trap) noun
1. plural Colloq. Personal effects, as luggage; also, household goods.
2. A trapping.
—v.t. trapped, trap·ping To adorn with trappings; bedeck. [Orig. a cloth covering for a horse, alter. of OF drap a cloth, covering <Med. L drappus; ult. origin uncertain]

(trap) noun Geol.
A dark, fine-grained igneous rock, often of columnar structure, as basalt, dolerite, etc.: also called traprock. [<Sw. trapp <trappa a stair; so called from the steplike arrangement of this rock in other rock]