Definition of "chickory"

The eating is beautiful; that must be allowed. Two soups, three fishes, five roast chickens, and a piece of veal, stewed with cherries; a dish of chops with chickory, and a meat-pie garnished with cockscombs— […]

1854, Charles Lever, “Letter II. Mrs. Dodd to Mistress Mary Gallagher, at Dodsborough.”, in The Dodd Family Abroad, London: Chapman and Hall, […], page 5

Chickory and radicchio (Cichorium intybus), which is a red-leafed chickory, can add a slightly bitter tang to a salad. Green chickories can be sown in early spring.

2012, Claire Splan, “Fruits, Herbs, Nuts & Vegetables [Lettuce]”, in California Fruit & Vegetable Gardening: Plant, Grow, and Eat the Best Edibles for California Gardens, Brentwood, Tenn.: Cool Springs Press, page 163