Groundnut
WordNet
noun
(1) Pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms
(2) Nutlike tuber; important food of Native Americans
(3) A North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans
WiktionaryText
Noun
- a climbing vine, Apios americana, of eastern North America, having fragrant brownish flowers and small edible tubers
- any similar plant having underground tubers
- the nutlike tuber of such a plant; a peanut or monkey nut