potato bean meaning and definition

POTATO BEAN noun

Definition of potato bean (noun)

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