clapper

1. One who claps; a person who applauds by clapping the hands.

   someone who applauds

2. An object so suspended inside a bell that it may hit the bell and cause it to ring; a clanger or tongue.

   Klöppel, Schwengel

   язы́к

3. A wooden mechanical device used as a scarecrow; bird-scaring rattle, a wind-rattle or a wind-clapper.

   трещо́ткаtreščótka

4. A clapstick (musical instrument).

5. A pounding block.

6. The chattering damsel of a mill.

7. A slapshot

8. The hinged part of a clapperboard, used to synchronise images and soundtrack, or the clapperboard itself.

9. (slang)A person's tongue.

10. (obsolete)A rabbit burrow.

regular