groundnut

definition: pod of the peanut vine containing usually 2 nuts or seeds
example: `groundnut' and `monkey nut' are British terms
speech part: noun
synonyms: peanut
definition: nutlike tuber
example:
speech part: noun
synonyms: potato bean
definition: a North American vine with fragrant blossoms and edible tubers
example:
speech part: noun
synonyms: potato bean groundnut vine

How groundnut is being used?