/ Dictionary / Index W white supremacy: Meaning and Definition of Find definitions for: white' suprem'acy Pronunciation: [key] the belief, theory, or doctrine that the white race is superior to all other races, esp. the black race, and should therefore retain control in all relationships. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white sturgeon white-tailed deer Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language