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From our dictionary:
Pronunciation: (chik'u-rE), [key]
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.