Noun has 4 senses

• earthnut(n = noun.plant) earth-ball, truffle - any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe;



• earthnut(n = noun.plant) conopodium denudatum - a common European plant having edible tubers with the flavor of roasted chestnuts;



• earthnut(n = noun.food) goober, goober pea, groundnut, monkey nut, peanut - pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms;



• earthnut(n = noun.food) truffle - edible subterranean fungus of the genus Tuber;