Learn how to say Clattered correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word clatter:
to make or cause to make a rattling noise, esp as a result of movement
(intransitive) to chatter
a rattling sound or noise
a noisy commotion, such as one caused by loud chatter
Old English clatrung clattering (gerund); related to Dutch klateren to rattle, German klatschen to smack, Norwegian klattra to knock