/ Dictionary / Index C clack: Meaning and Definition of Find definitions for: clack Pronunciation: (klak), [key] — v.i. to make a quick, sharp sound, or a succession of such sounds, as by striking or cracking: The loom clacked busily under her expert hands. to talk rapidly and continually or with sharpness and abruptness; chatter. to cluck or cackle. —v.t. to utter by clacking. to cause to clack: He clacked the cup against the saucer. —n. a clacking sound. something that clacks, as a rattle. rapid, continual talk; chatter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: clack (Thesaurus) clachan clackers Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language