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groundnut

[ ground-nuht ]
/ ˈgraʊndˌnʌt /
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noun

Also called wild bean, potato bean. a twining, North American plant, Apios americana (or A. tuberosa), of the legume family, having clusters of fragrant brownish flowers and an edible tuber.
any of several other plants having edible underground parts, as the peanut.
South Atlantic States. peanut.

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Origin of groundnut

First recorded in 1595–1605; ground1 + nut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for groundnut

groundnut
/ (ˈɡraʊndˌnʌt) /

noun

a North American climbing leguminous plant, Apios tuberosa, with fragrant brown flowers and small edible underground tubers
the tuber of this plant
any of several other plants having underground nutlike parts
British another name for peanut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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