Clothing to be worn in the morning or daytime, as opposed to the evening; now (specifically), a man's formal suit consisting of a (usually) dark grey morning coat, waistcoat and striped trousers accompanied with a top hat, white shirt and tie or cravat.
A woman's dress designed for informal day wear.
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.
A dress code specifying white tie for men and ball gown or evening dress for women, or, alternatively, full military dress or national costume.