a 3-pounder/24-pounder/185-pounder etc a) an animal, fish, or person that weighs 3 pounds, 24 pounds etc b) a gun that fires a shell that weighs 3 pounds, 24 pounds etc
a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone