n.1. a. A short-handled hammer, usually with a cylindrical head of wood, used chiefly to drive a chisel or wedge.
b. A similar tool with a rubber, leather, or plastic head, used to strike a surface without damaging it.
2. Sports A long-handled implement used to strike a ball, as in croquet and polo.
3. Music A light hammer with a rounded head for striking a percussion instrument.