1. (noun)yam bean, potato bean, Pachyrhizus tuberosus twining plant of Amazon basin having large edible roots Synonyms: groundnut vine, yam bean, groundnut, wild bean, potato bean
2. (noun)yam bean, Pachyrhizus erosus Central American twining plant with edible roots and pods; large tubers are eaten raw or cooked especially when young and young pods must be thoroughly cooked; pods and seeds also yield rotenone and oils Synonyms: yam bean, potato bean
Synonyms and Antonyms of yam bean 
