Meaning : Something (often something deceptively attractive) that catches you unawares.
The exam was full of trap questions.
It was all a snare and delusion.
Synonyms : trap
Meaning : 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.
Meaning : Strings stretched across the lower head of a snare drum. They make a rattling sound when the drum is hit.