dinner suitBrE /ˈdɪnə suːt/ 🔊, /ˈdɪnə sjuːt/ 🔊NAmE /ˈdɪnər suːt/ 🔊 (BrE) (also tux·edo NAmE, BrE ) nouna dinner jacket and trousers/pants, worn with a bow tie at formal occasions in the evening (男式,配蝶形领结的)成套无尾晚礼服