chilli, chilly, chile, chili, chili pepper - very hot and finely tapering pepper of special pungency

red pepper, cayenne, cayenne pepper - ground pods and seeds of pungent red peppers of the genus Capsicum

genus Capsicum - chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers

capsicum, capsicum pepper plant, pepper - any of various tropical plants of the genus Capsicum bearing peppers