/ Dictionary / Index R roselle: Meaning and Definition of Find definitions for: ro•selle Pronunciation: (rō-zel'), [key] — n. a tropical plant, Hibiscus sabdariffa, of the mallow family, grown for its thick, red calyx and bracts, used in making jellies and as a substitute for cranberries. Ro•selle Pronunciation: (rō-zel'), [key] — n. a city in NE New Jersey. 20,641. a town in NE Illinois. 16,948. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roselle (Thesaurus) rosella Rosellen Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language