- mistress, kept woman, fancy woman - an adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man
--1 is a kind of woman, adult female; lover
--1 has particulars:chachka, tchotchke; concubine, courtesan, doxy, odalisque, paramour; Braun, Eva Braun; Delilah - schoolmarm, schoolma'am, schoolmistress, mistress - a woman schoolteacher (especially one regarded as strict)
--2 is a kind of schoolteacher, school teacher
- mistress - a woman master who directs the work of others
--3 is a kind of employer
--3 has particulars: chatelaine