v. & n.
v.intr. 1 talk quickly, incessantly, trivially, or indiscreetly. 2 (of a bird) emit short quick notes. 3 (of the teeth) click repeatedly together (usu. from cold). 4 (of a tool) clatter from vibration.
n. 1 chattering talk or sounds. 2 the vibration of a tool. chatterer n. chattery adj.
[ ME: imit. ]