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.

“Sir John Smith and Lady Smith.”

A high priestess.

The mistress of a household.

A woman of breeding or higher class, a woman of authority.

“"I would like the dining room to be fully set by tonight; would you do so?" "Yes, my lady".”

The feminine of lord.