5. A bend, sag, or partitioned chamber, in a drain, soil pipe, sewer, etc., arranged so that the liquid contents form a seal which prevents passage of air or gas, but permits the flow of liquids.

6. A place in a water pipe, pump, etc., where air accumulates for want of an outlet.

7. A wagon, or other vehicle. [Colloq.] Thackeray.

8. A kind of movable stepladder. Knight. Trap stairs, a staircase leading to a trapdoor. — Trap tree (Bot.) the jack; — so called because it furnishes a kind of birdlime. See 1st Jack.

TRAP
Trap, v. t. Etym: [AS. treppan. See Trap a snare.]

1. To catch in a trap or traps; as, to trap foxes.

2. Fig.: To insnare; to take by stratagem; to entrap. "I trapped the foe." Dryden.

3. To provide with a trap; to trap a drain; to trap a sewer pipe. See 4th Trap, 5.

TRAP
Trap, v. i.

Defn: To set traps for game; to make a business of trapping game; as, to trap for beaver.