clacks

verb

Makes a sharp, short, percussive sound repeatedly, often metallic or wooden.

"The old machine clacks loudly."

noun

A series of sharp, short, percussive sounds, typically repetitive.

"We heard the clacks of the train."

Thesaurus

Synonyms: click, cluck, clap, clatter, brattle, tattle, gabble, prate, gibber, maunder, tittle-tattle, palaver