/ Dictionary / Index C clapper: Meaning and Definition of Find definitions for: clap•per Pronunciation: (klap'ur), [key] — n. a person who applauds. the tongue of a bell. the tongue. Usually,two flat sticks held between the fingers and struck rhythmically against each other to produce abrupt, sharp sounds. a platen press. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: clapper (Thesaurus) clapped-out clapper rail Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language