bout

A period of something, especially one painful or unpleasant, like an illness.

• a bout of drought
• a coughing bout

A boxing match.

• An Italian boxer abandoned her bout at the Paris Olympics after only 46 seconds on Thursday, refusing to continue after taking a heavy punch from an Algerian opponent who had been disqualified from last year’s world championships over quest

An assault (a fencing encounter) at which the score is kept.

A roller derby match.

A fighting competition.

• Then they had bouts of wrestling and of cudgel play, so that every day they gained in skill and strength.

A bulge or widening in a musical instrument, such as either of the two characteristic bulges of a guitar.

The going and returning of a plough, or other implement used to mark the ground and create a headland, across a field.dated

• It is in this manner that the ploughs are reversed at the termination of each bout of the field.
• The last two rounds must be ploughed shallower, and on the last bout the strip left should be one furrow width for a two-furrow plough, two for a three-furrow, and so on. […]

To contest a bout.

Apheretic form of about.colloquial

• They're talking bout you!
• Maddy is bout to get beat up!