jack bean
noun
: a bushy annual tropical American legume (Canavalia ensiformis) grown especially for forage
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“Jack bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jack%20bean. Accessed 1 Dec. 2024.
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jack bean
noun
1
: an annual tropical American plant of the genus Canavalia
especially
: a plant (C. ensiformis) having long pods with white seeds and grown especially for forage
2
: the seed of the jack bean that is a source of canavalin and urease
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