A boxing match.
A roller derby match.
A fighting competition.
A bulge or widening in a musical instrument, such as either of the two characteristic bulges of a guitar.
An assault (a fencing encounter) at which the score is kept.
A period of something, especially one painful or unpleasant.
Aphetic form of about
To contest a bout.
A professional boxing match, in which two boxers compete for a prize (usually money).