Mistress word meaning and definition

[noun] a woman master who directs the work of others
[noun] an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man
[noun] a woman schoolteacher

\Mis"tress\, n. [OE. maistress, OF. maistresse, F. ma[^i]tresse, LL. magistrissa, for L. magistra, fem. of magister. See {Master}, {Mister}, and cf. {Miss} a young woman.] 1. A woman having power, authority, or ownership; a woman who exercises authority, is chief, etc.; the female head of a family, a school, etc. The late queen's gentlewoman! a knight's daughter! To be her mistress' mistress! --Shak. 2. A woman well skilled in anything, or having the mastery over it. A letter desires all young wives to make themselves mistresses of Wingate's Arithmetic. --Addison. 3. A woman regarded with love and devotion; she who has command over one's heart; a beloved object; a sweetheart. [Poetic] --Clarendon. 4. A woman filling the place, but without the rights, of a wife; a concubine; a loose woman with whom one consorts habitually. --Spectator. 5. A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman. Now Mistress Gilpin (careful soul). --Cowper. 6. A married woman; a wife. [Scot.] Several of the neighboring mistresses had assembled to witness the event of this memorable evening. --Sir W. Scott. 7. The old name of the jack at bowls. --Beau. & Fl. {To be one's own mistress}, to be exempt from control by another person.
\Mis"tress\, v. i. To wait upon a mistress; to be courting. [Obs.] --Donne.

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