tuxedo
noun [ C ] mainly US uk/tʌkˈsiː.dəʊ/ us/tʌkˈsiː.doʊ/ tuxedos (informal tux, /tʌks/ /tʌks/); (UK usually dinner jacket)
（指男式）晚礼服
a man's black or white jacket worn at formal social events, usually in the evening, with matching trousers and a bow tie
Compare: black tie