The nutlike tuber of such a plant, especially peanuts.
A climbing vine, Apios americana, of eastern North America, having fragrant brownish flowers and small edible tubers.
A plant which bears its nutlike seeds underground, such as a peanut (Arachis hypogaea) or a Bambara groundnut (Vigna subterranea).
Any similar plant having underground tubers.
A vegetable, the Indian white yam.
A foolish person.
Barmy; mad; daft.