A Quick and Simple Dictionary

Master

1. Noun.  Prefix to a boy's name.
2. Noun.  A religious teacher, often as an honorific title.
3. Noun.  A master's degree.
4. Noun.  A person holding a master's degree, as a title.
5. Noun.  The owner of a slave, in some literature.
6. Noun.  Someone who has control over something or someone.
7. Noun.  Owner of an animal or slave.
8. Noun.  (nautical) The captain of a merchant ship; a master mariner.
9. Noun.  Someone who employs others.
10. Noun.  An expert at something.
11. Noun.  A tradesman who is qualified to teach apprentices.
12. Noun.  A skilled artist.
13. Noun.  (dated) A courtesy title of a man or a boy; mister. See Master.
14. Noun.  A master's degree; a type of postgraduate degree, usually undertaken after a bachelor degree.
15. Noun.  A person holding such a degree.
16. Noun.  The original of a document or of a recording.
17. Noun.  (film) The primary wide shot of a scene, into which the closeups will be edited later.
18. Noun.  (context, legal) A parajudicial officer (such as a referee, an auditor, an examiner, or an assessor) specially appointed to help a court with its proceedings.
19. Adjective.  masterful.
20. Adjective.  main, principal or predominant.
21. Adjective.  highly skilled.
22. Adjective.  original.
23. Verb.  to be a master.
24. Verb.  (transitive) to control.
25. Verb.  (transitive) to learn to a high degree of proficiency.