MASSA

Someone who has control over something or someone.

The owner of an animal or slave.

The captain of a merchant ship; a master mariner.

The head of a household.

Someone who employs others.

An expert at something.

Example: "Mark twain was a master of fiction."

A tradesman who is qualified to teach apprentices.

A schoolmaster.

A skilled artist.

A man or a boy; mister. see master.

A master's degree; a type of postgraduate degree, usually undertaken after a bachelor degree.

Example: "She has a master in psychology."

A person holding such a degree.

Example: "He is a master of marine biology."

The original of a document or of a recording.

Example: "The band couldn't find the master, so they re-recorded their tracks."

The primary wide shot of a scene, into which the closeups will be edited later.

A parajudicial officer (such as a referee, an auditor, an examiner, or an assessor) specially appointed to help a court with its proceedings.

Example: "The case was tried by a master, who concluded that the plaintiffs were the equitable owners of the property. [...]"

A device that is controlling other devices or is an authoritative source.

Example: "A master database"

A person holding an office of authority, especially the presiding officer.

(by extension) a person holding a similar office in other civic societies.