n. 拍手者, 铃锤, 钟锤

[电] 铃锤

Clapper \Clap"per\, n.
1. A person who claps.

2. That which strikes or claps, as the tongue of a bell, or
the piece of wood that strikes a mill hopper, etc. See
Illust. of {Bell}.

{Clapper rail} (Zo["o]l.), an Americam species of rail
({Rallus scepitans}).


Clapper \Clap"per\, n. [F. clapier.]
A rabbit burrow. [Obs.]

Knacker \Knack"er\, n.
1. One who makes knickknacks, toys, etc. --Mortimer.

2. One of two or more pieces of bone or wood held loosely
between the fingers, and struck together by moving the
hand; -- called also {clapper}. --Halliwell.