Lady meaning : An aristocratic title for a woman; the wife of a lord and/or a woman who holds the position in her own right; a title for a peeress, the wife of a peer or knight, and the daughters and daughters-in-law of certain peers. A high priestess. The mistress of a household. A woman of breeding or higher class, a woman of authority. The feminine of lord. A title for someone married to a lord or gentleman. A title that can be used instead of the formal terms of marchioness, countess, viscountess or baroness. (polite or used by children) A woman: an adult female human. (in the plural) A polite reference or form of address to women. Used to address a female. (ladies' or ladies) Toilets intended for use by women. (familiar) A wife or girlfriend; a sweetheart. A woman to whom the particular homage of a knight was paid; a woman to whom one is devoted or bound. A queen (the playing card). (with a professional title) Who is a woman. The triturating apparatus in the stomach of a lobster, consisting of calcareous plates; so called from a fancied resemblance to a seated female figure. A five-pound note. (Rhyming slang, Lady Godiva for fiver.) A woman’s breast.