Search Result for "black tie":
Wordnet 3.0

NOUN (2)

1. semiformal evening dress for men;
[syn: dinner jacket, tux, tuxedo, black tie]

2. a black bow tie worn with a dinner jacket; 



WordNet (r) 3.0 (2006):

black tie
    n 1: semiformal evening dress for men [syn: dinner jacket,
         tux, tuxedo, black tie]
    2: a black bow tie worn with a dinner jacket