Definition of tuxedo noun from the Oxford Advanced American Dictionary

     

    tuxedo

     noun
    noun
    NAmE//tʌkˈsidoʊ//
     
    (pl. tuxedos)(informal tux
    NAmE//tʌks//
     
    )
     
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  1. 1 a black or white jacket and pants, worn with a bow tie at formal occasions in the evening
  2. 2 a black or white jacket worn with a bow tie at formal occasions in the evening From Tuxedo Park in New York, where it was first worn.
See the Oxford Advanced Learner's Dictionary entry: tuxedo