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castor-oil plant

[kas-ter-oil, kah-ster-] /ˈkæs tərˈɔɪl, ˈkɑ stər-/
a tall plant, Ricinus communis, of the spurge family, cultivated for its ornamental foliage and having poisonous seeds that are the source of castor oil.
Also called castor bean.
Origin of castor-oil plant
First recorded in 1835-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for castor-oil plant

castor-oil plant

a tall euphorbiaceous Indian plant, Ricinus communis, cultivated in tropical regions for ornament and for its poisonous seeds, from which castor oil is extracted Also called (US and Canadian) castor bean
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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