DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   pounder
       n 1: (used only in combination) something weighing a given
            number of pounds; "the fisherman caught a 10-pounder";
            "their linemen are all 300-pounders"
       2: 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 [syn: pestle,
          muller, pounder]