from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The castor-oil plant.
- n. The poisonous seed of the castor-oil plant, from which castor oil is obtained.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The seed of the castor oil plant, Ricinus communis; used in the production of castor oil and of the poison ricin.
from the GNU version of the Collaborative International Dictionary of English
- The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.)
from The Century Dictionary and Cyclopedia
- n. See bean.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the toxic seed of the castor-oil plant; source of castor oil
castor (oil) + bean.(American Heritage® Dictionary of the English Language, Fourth Edition)
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