(printing) A metal sheet used in offset printing for carrying ink onto the rubber printing form.

(data management) Reference data.

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

plural of master key

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

A quizmaster.

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

The leading entity; the most important person, the controlling figure.

(religion) God / (idiomatic) A powerful person. / (idiomatic, finance, business) A highly successful business person.

plural of master mariner