clattering
noun
[ ˈklatərɪŋ ]
• a continuous rattling sound as of hard objects falling or striking each other.
• "a clattering of pans in the kitchen"
• a flock of choughs (birds).
• "you will have to chatter like a clattering of choughs"
clatter
verb
• make or cause to make a continuous rattling sound.
• "her coffee cup clattered in the saucer"
Origin:
Old English (as a verb), of imitative origin.