late 13c., agent noun from clap (v.). Meaning "tongue of a bell" is from late 14c. Old English had clipur. Meaning "hinged board snapped in front of a camera at the start of filming to [..]

1. Object that loosely hangs inside a bell. This will then strike the bell from the inside when the bell is moved or rung, resulting in the sound.

(n) someone who applauds(n) a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity(n) metal striker that hangs inside a bell and makes a sound by hitting the side [..]

A plank bridge over a stream; a ferry-gate. A roofing-board is called a clap-board.

Sometimes known as The Slate. Used to mark a sync sound and picture take of a shot.

Tongue of a bell. 2. Chafing piece in jaws of a gaff.

One who claps. An object so suspended inside a bell that it may hit the bell and cause it to ring. A wooden mechanical device used as a scarecrow; bird-scaring rattle, a wind-rattle or a wind-cla [..]