Definition of black tie:
(adj) :
evening dress which is less formal than
white tie, consisting of black dinner jacket, and matching trousers, white shirt and black
bow tie, alternatively military dress, or
national costume; a black tie occasion
"I'm off to a black tie dinner tonight."
Definition of black tie:
(adj) :
evening dress which is less formal than
white tie, consisting of black dinner jacket, and matching trousers, white shirt and black
bow tie, alternatively military dress, or
national costume; a black tie occasion
"I'm off to a black tie dinner tonight."