Clapper

1. (n.) A person who claps.

2. (n.) That which strikes or claps, as the tongue of a bell, or the piece of wood that strikes a mill hopper, etc

3. (n.) A rabbit burrow.

Thesaurus Entries

Klaxon, bell, boiler factory, boiler room, bull-roarer, catcall, cherry bomb, chimes, church bell, clack, clacker, cowbell, cracker, cricket, dinner bell, dinner gong, doorbell, fire bell, firecracker, gong, gong bell, hand bell, horn, jingle bell, noisemaker, passing bell, rattle, rattlebox, sacring bell, sheepbell, siren, sleigh bell, snapper, steam whistle, telephone bell, ticktack, tintinnabulum, tongue, triangle, whistle, whizgig, whizzer