かたっと

adverb

with a clatter; with a clunk

Onomatopoeic adverb describing a single, sharp, hard sound of something hitting or falling, often a small object. Related to かたり, which can describe a lighter or more continuous clattering.

See also: かたり

• 机つくえの上うえにペンがかたっと落おちた。

  The pen fell onto the desk with a clatter.

• ドアの向むこうでかたっと物もの音おとがした。

  There was a clunking sound from behind the door.