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")
snare drum, snare, side drum -- (a small drum with two heads and a snare stretched across the lower head)
snare -- (a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities)
snare -- (strings stretched across the lower head of a snare drum; they make a rattling sound when the drum is hit)
snare, gin, noose -- (a trap for birds or small mammals; often has a slip noose)