castor bean

noun
Updated on: 25 Apr 2018

Definition of castor bean

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

Recent Examples of castor bean from the Web

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First Known Use of castor bean

1819

in the meaning defined above

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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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