Calabar bean

Calabar bean

noun
the violently poisonous seed of an African climbing plant, Physostigma venenosum, of the legume family, the active principle of which is physostigmine.
Also called ordeal bean.


Origin:
1875–80; named after Calabar, Nigeria

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Calabar bean
Collins
World English Dictionary
Calabar bean (ˌkæləˈbɑː, ˈkæləˌbɑː)
 
n
the dark brown very poisonous seed of a leguminous woody climbing plant, Physostigma venenosum of tropical Africa, used as a source of the drug physostigmine

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

Calabar bean Cal·a·bar bean (kāl'ə-bär)
n.
The poisonous seed of a tropical western African woody vine in the pea family and source of the drug physostigmine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature