Definition of earthnut

  1. 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 less commonly earthnut pea :  the root of the heath pea

  2. 2 :  any plant producing earthnuts

  3. 3 :  truffle

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Origin and Etymology of earthnut

Middle English erthenote, from Old English eorthnutu, from eorth- (from eorthe earth) + nutu, hnutu nut — more at nut

First Known Use: 14th century

Seen and Heard

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to cast off or become cast off

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