A female companion or intimate (of another woman).
The relationship of a godmother to the other godparents (godsibs or gossips), and the legal parents, of a child.
Lass, the feminine equivalent of fellow.
One who cums or climaxes.
a woman regarded with love and devotion; a sweetheart
The other woman in an extramarital relationship, generally including sexual relations
A female companion to a master (a man with control, authority or ownership)
A woman, specifically one with great control, authority or ownership
A married woman; a wife
A female teacher
A dominatrix
A woman well skilled in anything, or having the mastery over it
To act or take the role of a mistress.
Of a woman: to master; to learn or develop to a high degree of proficiency.