ricinus

noun
ric·​i·​nus | \ ˈris-ᵊn-əs How to pronounce ricinus (audio) \

Medical Definition of ricinus

1 capitalized : a genus of plants of the spurge family (Euphorbiaceae) that have large palmate leaves and flowers with numerous stamens and include the castor-oil plant (R. communis)
2 : any plant of the genus Ricinus

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