Definitions
1.nounA period of something, usually painful or unpleasant."a bout of drought."
2.nounA boxing match.
3.nounAn assault (a fencing encounter) at which the score is kept.
4.nounA roller derby match.
5.nounA fighting competition.
6.nounA bulge or widening in a musical instrument, such as either of the two characteristic bulges of a guitar.
7.nounThe going and returning of a plough, or other implement used to mark the ground and create a headland, across a field.
8.verbTo contest a bout.