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.
Formal daywear consisting of a (usually) gray tailcoat and matching trousers, grey top hat, white shirt and tie or cravat. Morning dress can be worn up to 5:00 pm.