DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   boxer
       n 1: someone who fights with his fists for sport [syn: boxer,
            pugilist]
       2: a workman employed to pack things into containers [syn:
          packer, bagger, boxer]
       3: a member of a nationalistic Chinese secret society that led
          an unsuccessful rebellion in 1900 against foreign interests
          in China
       4: a breed of stocky medium-sized short-haired dog with a
          brindled coat and square-jawed muzzle developed in Germany