Meaning of YAM BEAN

Pronunciation:			yam been
WordNet Dictionary
	Definition:		[n]  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 [n]  twining plant of Amazon basin having large edible roots
	Synonyms:		Pachyrhizus erosus, Pachyrhizus tuberosus, potato bean
	See Also:		genus Pachyrhizus, Pachyrhizus, vine