Chatter

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