/ Dictionary / Index R radicchio: Meaning and Definition of Find definitions for: ra•dic•chi•o Pronunciation: (rä-dē'kē-ō", ru-), [key] — n. a variety of chicory originating in Italy, having a compact head of reddish, white-streaked leaves: leaves and roots may be cooked or used raw in salads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: radicchio (Thesaurus) radicant radicel Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language