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castor-oil plant

[ kas-ter-oil, kah-ster- ]

noun

  1. 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.


castor-oil plant

noun

  1. 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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Word History and Origins

Origin of castor-oil plant1

First recorded in 1835–45
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Example Sentences

For florists, the danger isn’t metaphorical; Thompson recalls a colleague who was momentarily blinded when handling a castor-oil plant.

When in the same plant there are unisexual flowers, both male and female, the plant is said to be monoecious, as in the hazel and castor-oil plant.

The figure is drawn on the floor with flour or rice, turmeric, charcoal powder, and leaves of the castor-oil plant.

Our Indians had for torches long strips of the castor-oil plant, which the wind only ignited more thoroughly, and with these they led the way.

The castor-oil plant and many other plants of great value in medicine are indigenous in great abundance.

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castor oilcastor sugar