earthnut meaning and definition

EARTHNUT noun

Definition of earthnut (noun)

1. any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe
   • synonyms: earth-ball, truffle
2. a common European plant having edible tubers with the flavor of roasted chestnuts
   • synonyms: Conopodium denudatum
3. pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms
   • synonyms: goober, goober pea, groundnut, monkey nut, peanut
4. edible subterranean fungus of the genus Tuber
   • synonyms: truffle