Noah Webster
Chatter
CHATTER, verb intransitive [See Chat.]
1. To utter sounds rapidly and indistinctly, as a magpie, or a monkey.
2. To make a noise by collision of the teeth. We say, the teeth chatter when one is chilly and shivering.
3. To talk idly, carelessly or rapidly; to jabber.
CHATTER, noun Sounds like those of a pie or monkey; idle talk.