/ Dictionary / Index R roseola: Meaning and Definition of Find definitions for: ro•se•o•la Pronunciation: (rō-zē'u-lu, rō"zē-ō'lu), [key] — n. Pathol. a kind of rose-colored rash. rubella. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roseola (Thesaurus) rose oil rose pink Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language