castor bean


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

cas·tor bean

noun \ˈkas-tər-\   (Medical Dictionary)

Medical Definition of CASTOR BEAN

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

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