to make a sudden, sharp noise, or a succesion of such noises, as by striking an object, or by collision of parts; to rattle; to click.-to utter words rapidly and continually, or with abruptness; to let the tongue run.-to cause to make a sudden, sharp noise, or succession of noises; to click.-to utter rapidly and inconsiderately.-a sharp, abrupt noise, or succession of noises, made by striking an object.-anything that causes a clacking noise, as the clapper of a mill, or a clack valve.-continual or importunate talk; prattle; prating.