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jack bean

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jack bean

–noun
1. a bushy tropical plant, Canavalia ensiformis, of the legume family, grown esp. for forage.
2. the white seeds of this plant.

Origin:
1880–85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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jack bean  
n.  A tropical American annual plant (Canavalia ensiformis) having clusters of purple flowers and long pods with edible seeds.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: jack bean
Pronunciation: 'jak-"bEn
Function: 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
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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