groundnut

noun ! Definition from WordNet 3.1, Princeton University. More about groundnut at Wordnik → Where our words come from →

1. A North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans.
2. Nutlike tuber; important food of Native Americans.
3. Pod of the peanut vine containing usually 2 nuts or seeds; `groundnut' and `monkey nut' are British terms.