Definition of "master" []

• One that has control over another or others. (noun)
• The owner or keeper of an animal: The dog ran toward its master. (noun)
• The owner of a slave. (noun)
• One who has control over or ownership of something: the master of a large tea plantation. (noun)
• The captain of a merchant ship. Also called master mariner. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "What General Meade wrote in May, “We must expect disaster so long as the armies are not under one master mind, ”32 Lincoln knew perfectly well, and gladly would he have devolved the military conduct of affairs on one man could he have found that “master mind” for whom he made a painful quest during almost two years."
• "We were almost entire strangers to each other; for, when I knew him at the house of my old master, it was not as a _master_, but simply as "Captain Auld," who had married old master's daughter."
• "The Colonization Society are always reminding us that the _master_ has rights as well as the slave: The Anti-Slavery Society urge us to remember that the _slave_ has rights as well as the master."