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English definition of “master”

master

noun [C] (CONTROLLER)    /ˈmɑː.stər/ US  /ˈmæs.tɚ/
B2 a person who has control over or responsibility for an animal , servant , or slave : With careful training , a dog will obey its master completely . a slave and his masterPeople in charge of or controlling other peopleBosses, managers and directors a person who has control over a particular situation : She was the victim of her circumstances rather than the master of her fate .People in charge of or controlling other peopleBosses, managers and directors the captain of a ship that carries goods : Ship's masters are in charge of a ship , its crew and any cargo it is carrying , at sea and in port .
(Definition of master noun (CONTROLLER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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