/ Dictionary / Index B black nationalism: Meaning and Definition of Find definitions for: black' na'tionalism Pronunciation: [key] — (often caps.) a social and political movement advocating the separation of blacks and whites and self-government for black people. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black mustard blackness Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language