castor bean

noun

Definition of castor bean

:the very poisonous seed of the castor-oil plant; also :castor-oil plant

First Known Use of castor bean

1819


Medical Dictionary

castor bean

noun cas·tor bean \ ˈkas-tər- \

medical Definition of castor bean

:the very poisonous seed of the castor-oil plant; also :castor-oil plant

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