DICT.TW Dictionary Taiwan

 potato bean
      n 1: twining plant of Amazon basin having large edible roots
           [syn: yam bean, Pachyrhizus tuberosus]
      2: a North American vine with fragrant blossoms and edible
         tubers; important food crop of Native Americans [syn: groundnut,
          groundnut vine, Indian potato, wild bean, Apios
         americana, Apios tuberosa]
      3: nutlike tuber; important food of Native Americans [syn: groundnut,
          wild bean]