yam bean

noun

Definition of yam bean

: a tropical twining plant (Pachyrhizus erosus) with tuberous roots resembling turnips which are eaten raw as a salad or cooked and edible pods and seeds which yield rotenone and oils

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Cite this Entry

“Yam bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/yam%20bean. Accessed 17 Feb. 2020.

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