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tonka bean

 - 3 dictionary results

tonka bean

[tong-kuh]
–noun
1. the fragrant, black almond-shaped seed of a tall tree belonging to the genus Dipteryx (or Coumarouna), of the legume family, esp. D. odorata, of tropical South America, used in perfumes, as a source of coumarin, and as a substitute for vanilla.
2. the tree itself.

Origin:
1790–1800; tonka prob. < Tupi tõka
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ton·ka bean   (tŏng'kə)   
n.  
  1. A tropical South American tree (Dipteryx odorata) having pulpy, egg-shaped, one-seeded pods and fragrant seeds used as a substitute for vanilla and for flavoring tobacco and candies.

  2. The seed of this tree.


[Perhaps from Galibi tonka.]
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: ton·ka bean
Pronunciation: 'tä[ng]-k&-
Function: noun
: the seed of any of several leguminous trees of the genus Dipteryxthat contains coumarin and is used in perfumes and as a flavoring; also : a tree bearing tonka beans
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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