tuxedo

A man’s dress jacket, usually black with satin or grosgrain lapels, worn for formal or semiformal occasions.

A complete outfit including this jacket, trousers usually with a silken stripe down the side, a bow tie, and often a cummerbund.

Same as Tuxedo coat.

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 Tuxedo Park, New York.

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.

A typically black formal jacket worn by men

The entire suit complementing and including this jacket

semiformal evening dress for men