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Definition of earthnut
1 : any of various roots, tubers, or subterranean pods: such as
a : the tuber of a common southern European plant (Conopodium denudatum) of the family Umbelliferae having the flavor of roasted chestnuts
b : yellow nutsedge
c : peanut
d or less commonly earthnut pea : the root of the heath pea
2 : any plant producing earthnuts
3 : truffle
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Time Traveler for earthnut
The first known use of earthnut was in the 14th century
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