What is the meaning of trap?

noun

• 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.
  • usage: "the exam was full of trap questions"; "it was all a snare and delusion"
  • synonyms: snare
• A device to hurl clay pigeons into the air for trapshooters.
• The act of concealing yourself and lying in wait to attack by surprise.
  • synonyms: ambush, ambuscade, lying in wait
• Informal terms for the mouth.
  • synonyms: cakehole, hole, maw, yap, gob
• A light two-wheeled carriage.
• A hazard on a golf course.
  • synonyms: bunker, sand trap

verb

• Place in a confining or embarrassing position.
  • usage: "He was trapped in a difficult situation"
  • synonyms: pin down
• Catch in or as if in a trap.
  • usage: "The men trap foxes"
  • synonyms: entrap, snare, ensnare, trammel
• Hold or catch as if in a trap.
  • usage: "The gaps between the teeth trap food particles"
• To hold fast or prevent from moving.
  • usage: "The child was pinned under the fallen tree"
  • synonyms: pin, immobilize, immobilise