Advertisement

Advertisement

castor bean

noun

  1. the seed of the castor-oil plant.


castor bean

noun

  1. another name for castor-oil plant
  2. the seed of this plant
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


Discover More

Other Words From

  • castor-bean adjective
Discover More

Word History and Origins

Origin of castor bean1

1810–20, Americanism; short for castor-oil bean
Discover More

Example Sentences

Researchers check to see that the protein doesn’t look too similar to a number of toxic proteins that exist in nature like venoms, or ricin, which comes from unprocessed castor beans.

Considerable quantities of this article have been manufactured in Illinois from the palma christi, or castor bean.

The castor bean pomace is good for anything in the poor soils of Southern Illinois.

Mr. Earle was questioned about the use of castor bean pomace for strawberries.

Having concluded to try the castor bean, I wish to ask some information.

This resemblance is responsible for some of the popular names, such as "castor-bean tick," etc.

Advertisement

Advertisement

Advertisement

Advertisement


Castor and Polluxcastoreum