n. A woman having power, authority, or ownership; a woman who exercises authority, is chief, etc.; the female head of a family, a school, etc.n. A woman well skilled in anything, or having the mastery over it.n. A woman regarded with love and devotion; she who has command over one's heart; a beloved object; a sweetheart.n. A woman filling the place, but without the rights, of a wife; a woman having an ongoing usually exclusive sexual relationship with a man, who may provide her with financial support in return; a concubine; a loose woman with whom one consorts habitually.n. A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman.n. A married woman; a wife.n. The old name of the jack at bowls.verb-intransitive. To wait upon a mistress; to be courting.