Definition of jack bean in English:

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jack bean

noun

A tropical American climbing plant of the pea family, which yields an edible bean and pod and is widely grown for fodder in tropical countries.
  • Genus Canavalia, family Leguminosae: in particular C. ensiformis
Example sentences
  • The jack bean and the sword bean are very similar and are occasionally grown in home gardens around the state.
  • The jack bean (Canavalia ensiformis) is a bushy, semi-erect annual legume originated in the New World and which is grown mainly as green manure and as cover crop in soil erosion control programs.
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