CLACK n.
Continual or importunate talk; prattle; prating. Whose chief intent is to vaunt his spiritual clack. South. Clack box (Mach.), the box or chamber in which a clack valve works. -- Clack dish, a dish with a movable lid, formerly carried by beggars, who clacked the lid to attract notice. Shak. Clack door (Mining), remova…