Dictionary Check: trap

a device in which something (usually an animal) can be caught and penned

drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas

something (often something deceptively attractive) that catches you unawares

a device to hurl clay pigeons into the air for trapshooters

the act of concealing yourself and lying in wait to attack by surprise

informal terms for the mouth