Mas·ter·y n.; pl. Masteries
 1. The position or authority of a master; dominion; command; supremacy; superiority.
    If divided by mountains, they will fight for the mastery of the passages of the tops.   --Sir W. Raleigh.
 2. Superiority in war or competition; victory; triumph; preeminence.
    The voice of them that shout for mastery.   --Ex. xxxii. 18.
    Every man that striveth for the mastery is temperate in all things.   --1 Cor. ix. 25.
 O, but to have gulled him
 Had been a mastery.   --B. Jonson.
 3. Contest for superiority. [Obs.]
 4. A masterly operation; a feat. [Obs.]
    I will do a maistrie ere I go.   --Chaucer.
 5. Specifically, the philosopher's stone. [Obs.]
 6. The act process of mastering; the state of having mastered.
    He could attain to a mastery in all languages.   --Tillotson.
    The learning and mastery of a tongue, being unpleasant in itself, should not be cumbered with other difficulties.   --Locke.

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