castor oil Meaning in the Cambridge English Dictionary
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Meaning of “castor oil” in the English Dictionary

"castor oil" in British English

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castor oilnoun [U]

uk   us  
a ​thick usually ​yellowoil, used ​especially as a ​medicine to ​helppeoplepass the ​solidwaste in ​theirbowels out of the ​body
(Definition of castor oil from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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