/ Dictionary / Index R radicchio: Meaning and Definition of Find definitions for: ra•dic•chi•o Pronunciation: (r-d?'k?-?", 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: abdicate Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language