D defs.my
Entry 4 senses Webster, 1913

round robin

/(round" rŏb"ĭn)/ · round· rob·in · IPA /ˌɹaʊn(d)ˈɹɑbən/
01 n. Any series or sequence of actions.
  1. 1.
    Any series or sequence of actions.
  2. 2.
    A document circulated from one person to another in a group, often with comments added by each recipient.
  3. 3.
    A petition or similar document, in which the signatures are arranged in circular form in order to conceal the order of signing.
  4. 4.
    A tournament in which each contestant plays against every other contestant at least once; a failure to win any contest does not result in elimination from the tournament. Contrasted with elimination tournament(Sports)