chattered

/CH AE1 T ER0 D/
verb
  1. 1

    To talk idly.

    โ€œThey knitted and chattered the whole time.โ€

  2. 2

    Of teeth, machinery, etc, to make a noise by rapid collisions.

    โ€œHe was so cold that his teeth were chattering.โ€

  3. 3

    To utter sounds which somewhat resemble language, but are inarticulate and indistinct.

Source: https://en.wiktionary.org/wiki/chatter, https://en.wiktionary.org/wiki/chattered