1a trap for catching birds or mammals, typically one having a noose of wire or cord. a thing likely to lure or tempt someone into harm or error:seducers laid their snares for innocent provincials
2a length of wire, gut, or hide stretched across a drumhead to produce a rattling sound. (also snare drum) a drum fitted with snares; a side drum.
3 Surgery a wire loop for severing polyps or other growths.
catch (a bird or mammal) in a snare: the foxes were humanely snared catch or trap (someone):five blackmailers were snared in a police sting