A room in a house, in which the head of the household sleeps, typically larger and better furnished than other bedrooms.

(film) A master shot in which the camera moves relative to the performance.

(education) A class, typically in a performing art such as music or drama, in which a teacher listens to and critiques the performance of individual students, one at a time, while the other students look on.

(military, US) A non-commissioned officer in the United States Army, ranking above sergeant first class and below sergeant major; equal in grade and pay to a first sergeant.

A large four-masted sailboat.

(informal, biology) The pituitary gland.

plural of master gland

An exceptionally skillful chess player, especially one who has won a major competition.

(data management) Reference data.

(sociology) A social status that is the primary socially identifying characteristic of an individual, such as being the queen.