master >> /ˈmæstər/
Definition: [transitive verb] Acquire complete knowledge or skill in (an accomplishment, technique, or art)
Example: I never mastered Latin
Definition: [transitive verb] Gain control of; overcome.
Example: I managed to master my fears
Definition: [transitive verb] Make a master copy of (a movie or record)
Example: all records are now being mastered and manufactured for us in the Netherlands
Definition: [noun] A man who has people working for him, especially servants or slaves.
Example: he acceded to his master's wishes
Definition: [noun] A man in charge of an organization or group.
Example: They had to act according to the dictates of the political masters.
Definition: [noun] A skilled practitioner of a particular art or activity.
Example: I'm a master of disguise
Definition: [noun] A person who holds a second or further degree from a university or other academic institution (only in titles and set expressions)
Example: a master's degree
Definition: [noun] Used as a title prefixed to the name of a boy not old enough to be called “Mr.”
Example: Master James Williams
Definition: [noun] An original movie, recording, or document from which copies can be made.
Example: the master tape
Definition: [adjective] Having or showing very great skill or proficiency.
Example: a heart-warming story from a master storyteller
Definition: [adjective] Main; principal.
Example: the apartment's master bathroom has a free-standing oval bathtub