- a twining, North American plant, Apios americana (or A. tuberosa), of the legume family, having clusters of fragrant brownish flowers and an edible tuber.
- any of several other plants having edible underground parts, as the peanut.
- peanut.
- a North American climbing leguminous plant, Apios tuberosa, with fragrant brown flowers and small edible underground tubers
- the tuber of this plant
- any of several other plants having underground nutlike parts
- British another name for peanut
