Definitions for radicchiorəˈdi kiˌoʊ
Random House Webster's College Dictionary
a variety of chicory having a compact head of reddish, white-streaked leaves.
Origin of radicchio:
1980–85; < It: chicory < VL *rādīculum, var. of L rādīcula; see radish
prized variety of chicory having globose heads of red leaves
a form of chicory with red leaves and a slightly bitter taste, eaten as a salad vegetable