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 boxing match.
A period of something, especially one painful or unpleasant.
To contest a bout.
Aphetic form of about
A competition that narrows a field of contestants (semifinalists) to a set of finalists, for a subsequent final.
A playoff in the round with only four players or teams left, the stage before the final.