Definition of chair umpire in US English:

chair umpire


  • The umpire seated on a raised chair behind one of the posts supporting the net, who is the final authority during a match.

    ‘he complained to the chair umpire about the vocal crowd after dropping the fourth set’
    referee, linesman, referee's assistant, assistant referee, judge, line judge, adjudicator, arbitrator, arbiter, moderator, overseer, supervisor
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