jack bean

noun

Definition of jack bean 

: a bushy annual tropical American legume (Canavalia ensiformis) grown especially for forage

First Known Use of jack bean

1885, in the meaning defined above

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The first known use of jack bean was in 1885

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More Definitions for jack bean

jack bean

noun
\ˈjak-ˌbēn \

Medical Definition of jack bean 

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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