Definition of: master

(mas′tər, mäs′-) noun
1. A male person who has authority over others, as the principal of a school, an employer, the head of a household, the owner of a domestic animal, etc.
2. One who has control or disposal of something; an owner.
3. In the U. S. merchant marine, the captain of a vessel.
4. One who is familiar with all the details of an art, profession, science, or trade.
5. One who has charge of some special thing, place, or business.
6. A young gentleman.
7. An honorary title; specifically, Master, a scholastic title and rank between bachelor and doctor.
8. Law Any of various officers of the court who assist the judges by hearing evidence, reporting, etc.: a master in chancery.
9. Scot. The courtesy title of a viscount's (or baron's) eldest son.
10. One who has disciples or followers; a religious leader.
11. One who gains the victory; a victor.
—the (or our) Master Christ.
—v.t.
1. To overcome or subdue; bring under control; defeat.
2. To become expert in: to master Greek.
3. To control or govern as a master. See synonyms under CONQUER, GAIN, LEARN, SUBDUE.
—adjective Having the mastery; chief; controlling. [Fusion of OE magister and OF maistre, both <L magister, orig. a double compar. of magnus great]
—mas′ter·dom noun
—mas′ter·hood noun
—mas′·ter·less adjective Synonyms (noun): boss, captain, chief, commander, despot, director, employer, foreman, governor, head, leader, lord, manager, monarch, overseer, owner, prince, principal, proprietor, schoolmaster, sovereign, teacher. See CHIEF, SUPERINTENDENT, VICTOR. Antonyms: assistant, attendant, dependent, drudge, inferior, menial, retainer, serf, servant, servitor, slave, subaltern, subordinate, valet, waiter.