/ Dictionary / Index S self-mate: Meaning and Definition of Find definitions for: self-mate Pronunciation: (self'māt"), [key] — n. Chess. a move that will cause a player's king to be mated within a certain number of subsequent moves. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. self-mastery self-medication Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language