Definition of officiate verb from the Oxford Advanced Learner's Dictionary

     

    officiate

     verb
    verb
    BrE BrE//əˈfɪʃieɪt//
     
    ; NAmE NAmE//əˈfɪʃieɪt//
     
    Verb Forms present simple I / you / we / they officiate
    BrE BrE//əˈfɪʃieɪt//
     
    ; NAmE NAmE//əˈfɪʃieɪt//
     
    he / she / it officiates
    BrE BrE//əˈfɪʃieɪts//
     
    ; NAmE NAmE//əˈfɪʃieɪts//
     
    past simple officiated
    BrE BrE//əˈfɪʃieɪtɪd//
     
    ; NAmE NAmE//əˈfɪʃieɪtɪd//
     
    past participle officiated
    BrE BrE//əˈfɪʃieɪtɪd//
     
    ; NAmE NAmE//əˈfɪʃieɪtɪd//
     
    -ing form officiating
    BrE BrE//əˈfɪʃieɪtɪŋ//
     
    ; NAmE NAmE//əˈfɪʃieɪtɪŋ//
     
     
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  1. 1[intransitive, transitive] officiate (at something) | officiate something to act as an official in charge of something, especially a sports event A referee from a neutral country will officiate (at) the game.
  2. 2[intransitive] officiate (at something) (formal) to do the official duties at a public or religious ceremony He baptized children and officiated at weddings.
  3. Word Origin mid 17th cent.: from medieval Latin officiare ‘perform divine service’, from officium ‘performance of a task’ (in medieval Latin also ‘office, divine service’), based on opus ‘work’ + facere ‘do’.
See the Oxford Advanced American Dictionary entry: officiate