·vt To utter rapidly and inconsiderately.
II. Clack ·vt Continual or importunate talk; prattle; prating.
III. Clack ·noun To utter words rapidly and continually, or with abruptness; to let the tongue run.
IV. Clack ·vt Anything that causes a clacking noise, as the clapper of a mill, or a clack valve.
V. Clack ·vt To cause to make a sudden, sharp noise, or succession of noises; to Click.
VI. Clack ·vt A sharp, abrupt noise, or succession of noises, made by striking an Object.
VII. Clack ·noun 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.