Meaning of black tie

black' tie'

Pronunciation: [key]
  1. a black bow tie, worn with a dinner jacket.
  2. semiformal evening wear for men (distinguished from white tie).


Pronunciation: (blak'tī'), [key]
— adj.
  1. requiring that guests wear semiformal attire, esp. that men wear black bow ties with tuxedos or dinner jackets:Cf. white-tie. a black-tie dance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.