Noun

• S: (n) trap (a device in which something (usually an animal) can be caught and penned)
• S: (n) trap (drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas)
• S: (n) trap, snare (something (often something deceptively attractive) that catches you unawares) "the exam was full of trap questions"; "it was all a snare and delusion"
• S: (n) trap (a device to hurl clay pigeons into the air for trapshooters)
• S: (n) ambush, ambuscade, lying in wait, trap (the act of concealing yourself and lying in wait to attack by surprise)
• S: (n) trap, cakehole, hole, maw, yap, gob (informal terms for the mouth)
• S: (n) trap (a light two-wheeled carriage)
• S: (n) bunker, sand trap, trap (a hazard on a golf course)

Verb

• S: (v) trap, pin down (place in a confining or embarrassing position) "He was trapped in a difficult situation"
• S: (v) trap, entrap, snare, ensnare, trammel (catch in or as if in a trap) "The men trap foxes"
• S: (v) trap (hold or catch as if in a trap) "The gaps between the teeth trap food particles"
• S: (v) trap, pin, immobilize, immobilise (to hold fast or prevent from moving) "The child was pinned under the fallen tree"