Pronunciation: (chik'u-rE), [key] —n., —pl.-ries. 1. a composite plant, Cichorium intybus, having bright-blue flower heads and toothed oblong leaves, cultivated as a salad plant and for its root, which is used roasted and ground as a substitute for or additive to coffee. Cf. endive (def. 2). 2. the root of this plant. Also,chiccory.