/ Dictionary / Index Q quadroon: Meaning and Definition of Find definitions for: quad•roon Pronunciation: (kwo-drn'), [key] — n. a person having one-fourth black ancestry; the offspring of a mulatto and a white. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quadroon (Thesaurus) quadrominium quadru- Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language