round robin

English Thesaurus

1. a letter signed by a number of people (noun.communication)

hypernym	:	letter, missive,
definition	:	a written message addressed to a person or organization (noun.communication)

2. a tournament in which every contestant plays every other contestant (noun.event)

hypernym	:	tournament, tourney,
definition	:	a sporting competition in which contestants play a series of games to decide the winner (noun.event)