"groundnuts" in the noun sense
1. groundnut, groundnut vine, Indian potato, potato bean, wild bean, Apios americana, Apios tuberosa
a North American vine with fragrant blossoms and edible tubers important food crop of Native Americans
2. groundnut, potato bean, wild bean
nutlike tuber important food of Native Americans
3. peanut, earthnut, goober, goober pea, groundnut, monkey nut
pod of the peanut vine containing usually 2 nuts or seeds `groundnut' and `monkey nut' are British terms
Source: WordNet® (An amazing lexical database of English)
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