boxer

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Sports One who fights with the fists as a sport.
2. n. Boxer shorts.
3. n. One that packs items in boxes.
4. n. A medium-sized, short-haired dog of a breed developed in Germany, having a brownish coat and a short, square-jawed muzzle.

Century Dictionary and Cyclopedia

1. n. One whose occupation is to pack or put up things in boxes.
2. n. One who fights with his fists; a pugilist.
3. n. [capitalized] A member of a Chinese association known as Yi Ho Ch'uan Hwuy, “The Righteousness, Harmony, and Fists Society,” organized in China in 1900 or earlier, ostensibly for the practice of athletics, but really as a league for the expulsion of foreigners and the uprooting of Christianity. Aided by the regular army, and egged on and led by officials and persons of the highest standing, the Boxers murdered large numbers of native Christians, missionaries, and other foreigners, destroyed much property, attacked the foreign legations in Peking, and besieged the British legation there for over two months, until the rising was suppressed by the military forces of the principal treaty powers.
4. n. A bowler or low-crowned stiff felt hat; a billycock hat.

Wiktionary

1. n. A participant (fighter) in a boxing match.
2. n. A breed of stocky, medium-sized, short-haired dog with a square-jawed muzzle.
3. n. A type of internal combustion engine in which cylinders are arranged in two banks on either side of a single crankshaft.
4. n. The person running a game of two-up.

GNU Webster's 1913

1. n. One who packs boxes.
2. n. One who boxes; a pugilist.
3. n. A breed of dog.

WordNet 3.0

1. n. someone who fights with his fists for sport
2. n. a member of a nationalistic Chinese secret society that led an unsuccessful rebellion in 1900 against foreign interests in China
3. n. a breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in Germany
4. n. a workman employed to pack things into containers