tuxedo(n = noun.artifact) black tie, dinner jacket, tux - semiformal evening dress for men;
is a kind of evening clothes, evening dress, eveningwear, formalwear
1. A kind of black jacket for semiformal evening dress made without tails, usually of black or dark blue color and having satin or grosgrain facing on the lapels; -- so named after a fashionable country club at
2. The complete semiformal evening suit, including the tuxedo jacket, matching trousers, and black bow tie, and usually including a cummerbund; -- the style of shirt worn with this suit varies, and the outfit may include a dickey. [PJC]
tuxedo, n. (pl. -os or -oes) US 1 a dinner-jacket.
2 a suit of clothes including this.
Etymology:
after a country club at Tuxedo Park, New York