castor-oil plant

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

Examples of castor-oil plant in a Sentence

Recent Examples on the Web For florists, the danger isn’t metaphorical; Thompson recalls a colleague who was momentarily blinded when handling a castor-oil plant. Ligaya Mishan, New York Times, 27 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'castor-oil plant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of castor-oil plant

1836, in the meaning defined above

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Time Traveler for castor-oil plant

Time Traveler

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

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Dictionary Entries Near castor-oil plant

castor oil

castor-oil plant

castor pomace

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Cite this Entry

“Castor-oil plant.” Dictionary, Merriam-Webster, Accessed 6 Oct. 2022.

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More Definitions for castor-oil plant

castor-oil plant


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

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