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

plural of mastectomy

(now rare) Dominion; rule, supremacy.

The state or office of a master. / Mastery: dominion, superiority, control. / Mastery: superior skill. / (obsolete) Chief work; masterpiece. / A title of respect, sometimes ironic.

(data management) A set of processes and tools which centrally and persistently define the non-transactional entities of an organization, with the objective to collect from, and supply to various processes, unique instances of each entity.

(data management) Reference data.

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

Alternative spelling of master class

A title, especially of chivalric orders, fraternal orders and fraternal organizations.

Any of various early European painters whose works are regarded as superlative. / A painting by an Old Master.