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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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