| earthnut | (n) a common European plant having edible tubers with the flavor of roasted chestnuts, Syn. Conopodium denudatum |
| heath pea | (n) European herb bearing small tubers used for food and in Scotland to flavor whiskey, Syn. tuberous vetch, earth-nut pea, earthnut pea, Lathyrus tuberosus |
| peanut | (n) pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms, Syn. goober, groundnut, goober pea, earthnut, monkey nut |
| truffle | (n) any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe, Syn. earthnut, earth-ball |
| truffle | (n) edible subterranean fungus of the genus Tuber, Syn. earthnut |