mistress
mis.tress \'mis-tr*s; as an abbreviated title .mis-*z, -*s, esp South
.miz-*z\ n [ME maistresse, fr. MF, fr. OF, fem. of maistre master - more
at], -*s, (.)miz, or before given names (.)misMASTER 1: a woman who has
power, authority, or ownership : as 1a: the female head of a household
1b: a woman who employs or supervises servants 1c: a woman who possesses
or controls something 1d: a woman who is in charge of a school or other
establishment 1e: a woman of the Scottish nobility having a status
comparable to that of a master chiefly Brit 2a: a female teacher or tutor
2b: a woman who has achieved mastery in some field 3: a country or state
having supremacy over others 4: something personified as female that rules
or directs 5a: a woman with whom a man habitually cohabits without being
married to he r archaic 5b: SWEETHEART 6: - used archaically as a title
prefixed to the name of a married or unm arried woman and now superseded by
the contracted forms Mrs., or in the plural Mesdames, for a married woman
and Miss for an unmarried woman