clack.
An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk.
Meaning & usage
An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk.
Anything that causes a clacking noise, such as the clapper of a mill, or a clack valve.
Chatter; prattle.
The tongue.
Where this word comes from
From Middle English clacken, clakken, claken, from Old English *clacian (“to slap, clap, clack”), from Proto-Germanic *klakōną (“to clap, chirp”). Cognate with Scots clake, claik (“to utter cries", also "to bedaub, sully with a sticky substance”), Dutch klakken (“to clack, crack”), Low German klakken (“to slap on, daub”), Norwegian klakke (“to clack, strike, knock”), Icelandic klaka (“to twitter, chatter, wrangle, dispute”).
To make a sudden, sharp noise, or succession of noises; to click.
To cause to make a sudden, sharp noise, or succession of noises; to click.
To chatter or babble; to utter rapidly without consideration.
To cut the sheep's mark off (wool), to make the wool weigh less and thus yield less duty.
Dated form of cluck.
Where this word comes from
From Middle English clacken, clakken, claken, from Old English *clacian (“to slap, clap, clack”), from Proto-Germanic *klakōną (“to clap, chirp”). Cognate with Scots clake, claik (“to utter cries", also "to bedaub, sully with a sticky substance”), Dutch klakken (“to clack, crack”), Low German klakken (“to slap on, daub”), Norwegian klakke (“to clack, strike, knock”), Icelandic klaka (“to twitter, chatter, wrangle, dispute”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.