Someone who has control over something or someone

• He waited for his master.

  Er wartete auf seinen Meister.

  Tatoeba · pne · CC BY 2.0 FR

• Be master of your own words!

  Seien Sie der Herr Ihrer Worte!

  Tatoeba · Bernie75 · CC BY 2.0 FR

Someone who employs others

An expert at something

The owner of an animal or slaveselten

The captain of a merchant ship; a master marinerselten

A male head of householdselten

A tradesman who is qualified to teach apprenticesselten

A male schoolteacherselten

A skilled artistselten

A man or a boy; mister. See Masterselten

To be a master

• French isn't easy to master.

  Französisch ist nicht leicht zu meistern.

  Tatoeba · CK · CC BY 2.0 FR

• He hasn't yet mastered the art of writing.

  Er beherrscht noch nicht die Kunst des Schreibens.

  Tatoeba · patgfisher · CC BY 2.0 FR

To become the master of; to subject to one's will, control, or authority; to conquer; to overpower; to subdue

To learn to a high degree of proficiency

To own; to possess