earthnut

1. any of various highly prized edible subterranean fungi of the genus Tuber; grow naturally in southwestern Europe

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2. a common European plant having edible tubers with the flavor of roasted chestnuts

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3. pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms

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4. edible subterranean fungus of the genus Tuber

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