A husband, wife, companion or partner.
The spouse of a monarch.
A ship accompanying another.
Association or partnership.
A group or company, especially of musicians playing the same type of instrument.
An informal, usually well-publicized sexual companion of a monarch, aristocrat, celebrity, etc.
To be in agreement.
To associate or keep company (with).
of a title, by virtue of one's (living) spouse; often contrasted with regnant and dowager
A married woman; a wife
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 woman regarded with love and devotion; a sweetheart
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.