Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The castor-oil plant.
- noun The poisonous seed of the castor-oil plant, from which castor oil is obtained.
from The Century Dictionary.
- noun See
bean .
from the GNU version of the Collaborative International Dictionary of English.
- (Bot.) The bean or seed of the castor-oil plant (
Ricinus communis , orPalma Christi .)
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
seed of thecastor oil plant , Ricinus communis; used in the production ofcastor oil and of thepoison ricin .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the toxic seed of the castor-oil plant; source of castor oil
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[castor (oil) + bean.]
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Examples
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vendingmachine commented on the word castor bean
The fruit of that plant, the castor bean, contains a supertoxic level of the poison ricin. As little as one bean, well chewed, could prove fatal.
February 27, 2015