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.
Mis"tress*ship, n. 1. Female rule or dominion.
2. Ladyship, a style of address; -- with the personal pronoun. [Obs.]
Massinger.
Mis*tri"al (?), n. (Law) A false or erroneous trial; a trial which has
no result.
Mis*trist" (?), v. t. To mistrust. [Obs.] Chaucer.