Dictionary

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

castor bean

noun cas·tor bean \ˈkas-tər-\   (Medical Dictionary)

Medical Definition of CASTOR BEAN

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

Browse

Next Word in the Dictionary: castorettePrevious Word in the Dictionary: CastorAll Words Near: castor bean
February 28, 2015
pontificate Hear it
To speak pompously or dogmatically
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears