Definitions of chicory:

• noun:   crisp spiky leaves with somewhat bitter taste
• noun:   root of the chicory plant roasted and ground to substitute for or adulterate coffee
• noun:   perennial Old World herb having rayed flower heads with blue florets cultivated for its root and its heads of crisp edible leaves used in salads
• noun:   the dried root of the chicory plant: used as a coffee substitute