The Oxford Thesaurus An A-Z Dictionary of Synonyms - boutn.

1) turn, round, time, occasion, spell, period, session: He's just got over a bout of pneumonia. 2) chance, spree, stint, opportunity, innings: We had long planned this bout of shopping. 3) contest, match, boxing-match, prizefight, meet, set-to, struggle, encounter, engagement; duel: A bout has been arranged between the heavyweight champion of the world and a challenger from Puerto Rico.