clapper Your browser does not support the audio element. [ English ] Definition 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. 2. Percussion instruments that use two similar objects struck together. A few of the more known clappers include claves, castanets, slapstick, and cymbals. See Also [English] idiophone Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-21 13:47:01