<p><strong>Noun</strong></p><ul><li>Also called wild bean, potato bean.</li><li>A twining, North American plant, <em>Apios americana</em> (or <em>A. tuberosa</em>), of the legume family, having clusters of fragrant brownish flowers and an edible tuber.</li><li>Any of several other plants having edible underground parts, as the peanut.</li><li>South Atlantic States: peanut.</li></ul>