jack bean

noun

Definition of jack bean

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

First Known Use of jack bean

1885


Medical Dictionary

jack bean

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noun \ˈjak-ˌbēn\

Medical Definition of jack bean

  1. 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. 2:  the seed of the jack bean that is a source of canavalin and urease


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