'Tuxedo' definitions:

Definition of 'tuxedo'

From: WordNet
noun
Semiformal evening dress for men [syn: dinner jacket, tux, tuxedo, black tie]

Definition of 'Tuxedo'

From: GCIDE
  • Tuxedo \Tux*e"do\, Tuxedo coat \Tux*e"do coat`\, n.
  • 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 Tuxedo Park, New York. [U. S.] --[RHUD] [Webster 1913 Suppl. +PJC]
  • 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. --[RHUD] [PJC]