A postgraduate degree which aims to assist students in developing a mastery for a particular academic field or profession.

(informal, biology) The pituitary gland.

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

(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.

A skilled and experienced tradesman, especially one who has submitted a masterpiece to his guild.

Someone who acts as a host at a formal event. / Someone who conducts a programme of varied entertainment, for example by introducing performers to the audience. / (rap music) A rapper.

A degree that usually requires 2-3 years beyond a Bachelor of Science and emphasizes science and scientific applications. The degree is less advanced than a Doctorate degree.

A key designed to open a set of several locks; a passkey. / (figuratively) Any tool or technique that can solve many types of difficulty.

(especially Nazism) A race of people who are superior to others.

(humorous) Respectful term of address for an expert in a particular field.