Definitions
1.NounA participant in a boxing match; a fighter who boxes."You can tell she's a boxer by looking at her nose."
2.NounA type of internal combustion engine in which cylinders are arranged in two banks on either side of a single crankshaft.
3.NounThe person running a game of two-up.
4.NounOne who packs boxes.
5.NounA letterboxer.
6.NounAttributive form of boxers (“boxer shorts”).
7.NounA breed of stocky, medium-sized, short-haired dog with a square-jawed muzzle.