castor-oil plant

noun
cas·​tor-oil plant

Definition of castor-oil plant

: a tropical Old World herb (Ricinus communis) widely grown as an ornamental or for its oil-rich castor beans

First Known Use of castor-oil plant

1836, in the meaning defined above

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The first known use of castor-oil plant was in 1836

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Cite this Entry

“Castor-oil plant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor-oil%20plant. Accessed 9 Aug. 2020.

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More Definitions for castor-oil plant

castor-oil plant

noun

Medical Definition of castor-oil plant

: a tropical Old World herb of the genus Ricinus (R. communis) widely grown as an ornamental or for its oil-rich castor beans that are a source of castor oil

More from Merriam-Webster on castor-oil plant

Britannica.com: Encyclopedia article about castor-oil plant

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