- truffle, earthnut, earth-ball - any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe
--1 is a kind of fungus
--1 is a member of Tuber, genus Tuber - truffle, earthnut - edible subterranean fungus of the genus Tuber
--2 is a kind of vegetable, veggie
- truffle, chocolate truffle - creamy chocolate candy
--3 is a kind of candy