gen. Any person who possesses a particular talent or has mastered a particular skill; a person pre-eminent in a particular field; an expert. Usually…

A woman who is proficient in an art, craft, or other branch of study. to be mistress of: to be versed in or perfectly acquainted with (a subject).

Any person who possesses a particular talent or skill; an expert. Usually with of. Cf. master, n.1 16a. Obsolete.

A supreme master; one who has supreme skill.

transferred. One who is advanced in any art, career, occupation, or profession; a proficient. Now rare.

= passed master, n. rare.

A person who possesses something; a person who holds something as property, or in actual control; a proprietor, an owner. Also figurative. Frequently…

A person who is especially adept or expert in a specified subject or activity. With in, of, at.

A woman who is especially adept or expert in a specified subject or activity. With in, of, at. Cf. past master, n. 2.

= past master, n. Cf. to pass master at pass, v. 40b.

A master, esp. of music.

A master. gen. A master or leader in any art, profession, etc.