Neckwear for Formal Occasions

This page is the CodyCross answer for the clue below from London, Group 495, Puzzle 1 (London Underground).

Question is: Neckwear for Formal Occasions

and the answer is: WHITETIE

Word Meaning:

WHITE TIE — The most formal kind of eveningwear for men, consisting of an evening tailcoat, trousers with strips of braid down the side seams, white stiff-fronted shirt, white bow tie and waistcoat with or without sash.

Definitions from Wiktionary.