pounder

Meanings

• (used only in combination) something weighing a given number of pounds
  • "the fisherman caught a 10-pounder"
  • "their linemen are all 300-pounders"
• 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

Synonyms

muller, pestle