/ Dictionary / Index O octoroon: Meaning and Definition of Find definitions for: oc•to•roon Pronunciation: (ok"tu-rn'), [key] — n. a person having one-eighth black ancestry; the offspring of a quadroon and a white. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: octoroon (Thesaurus) octopus octosyllabic Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language