What is another word for "trap"?

Roget's Thesaurus (1911) lists these synonyms for "trap": abditory, adytum, air, alley, ambuscade, ambush, and, back, background, bait, bar, bite, blend, blind, blinker, block, blockade, bolt, bung, button, caecal, caecum, catch, choke, clinch, cloak, close, closet, closure, cloud, concealed, concealment, constipation, contraction, cork, corner, cover, cram, credulous, crypt.