/ Dictionary / Index M mastership: Meaning and Definition of Find definitions for: mas•ter•ship Pronunciation: (mas'tur-ship", mä'stur-), [key] — n. the office, function, or authority of a master. control; command: to have mastership over one's desires. mastery, as of a subject. expert skill or knowledge: He played with the mastership of a devoted musician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mastership (Thesaurus) master sergeant mastersinger Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language