Boxer

(noun) someone who fights with his fists for sport. Synonyms: boxer, pugilist.

(noun) a workman employed to pack things into containers. Synonyms: packer, bagger, boxer.

(noun) a member of a nationalistic Chinese secret society that led an unsuccessful rebellion in 1900 against foreign interests in China.

(noun) a breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in Germany. Synonyms: boxer.