Definition of "chili"

Capsicum—the dried ripe fruit of Capsicum fastigiatum—is also known as Chilly pepper, Chillies, Guinea, or pod pepper, and is chiefly brought from Zanzibar. The several varieties differ in shape and size, are of a red colour, and filled with numerous red-brown, pungent seeds.

1874, Finlay Dun, “Peppers”, in Veterinary Medicines: Their Actions and Uses, 4th edition, New York, N.Y.: William Wood & Company, pages 442–443

Kama Indian Bistro, […] Everything is made from scratch, including the spice blends and sauces; the ingredients are quality; and the heat is no-holds-barred. Planks of crispy, "chilly" potatoes and elegant, delicately flavored shrimp Sunnaina in white-wine garlic-tomato concassé are hits.

2014, Jennifer Olvera, “Suburban Stunners, Stalwarts & Surprises”, in Amy Lyons, editor, Food Lovers’ Guide to Chicago: The Best Restaurants, Markets & Local Culinary Offerings (Food Lovers’ Series), 2nd edition, Guilford, Conn.: Globe Pequot Press, page 187