vi to make a noise by rapid collisions.
2. chatter ·vt to utter rapidly, idly, or indistinctly.
3. chatter ·noun noise made by collision of the teeth, as in shivering.
4. chatter ·vi to utter sounds which somewhat resemble language, but are inarticulate and indistinct.
5. chatter ·noun sounds like those of a magpie or monkey; idle talk; rapid, thoughtless talk; jabber; prattle.
6. chatter ·vi to talk idly, carelessly, or with undue rapidity; to jabber; to prate.