From Longman Dictionary of Contemporary Englishround robinˌround ˈrobin noun [countable] DSCOMPETITIONa competition in which every player or team plays against every other player or team a round robin tournament
Examples from the Corpus
round robin• Cricket this year switches to an eight-aside round robin for under-12 teams, run over two days.• In a three-pair round robin tournament they finished ahead of Simon Jacob and Anthony Chapman.• Last night Lendl had little difficulty in defeating John McEnroe 6-4,6-4 at the conclusion of the round robin phase.• Mr. Speaker: I think that the Hon. Member might start the round robin.Origin round robin (1500-1600) From the male name Robin