Noun
a woman's informal dress for housework
formal attire for men during the daytime
Source: WordNetIn England and Wales, black tie is seldom worn at Church weddings or civil ceremonies as morning dress or a lounge suit is normally favoured. Source: Internet
Top hats were originally worn with black-tie, but had been reserved to white tie and morning dress from World War I. Black-tie dress does not require a hat today. Source: Internet