Examples of castor bean in a Sentence
Recent Examples on the Web
At the conservancy’s Rosemont Preserve, volunteers have essentially removed all invasive castor bean, arundo (which clogs streams) and tree tobacco, which crowd out native plants and harm the landscape.
—
Jaclyn Cosgrove, Los Angeles Times, 9 Apr. 2026
Ricin is a highly toxic chemical that is naturally found in castor beans.
—Kirsty Hatcher, PEOPLE, 2 Apr. 2026
Letters and packages containing Ricin, a poison found in castor beans, have been sent to the president and other top U.S. officials in the past, including in 2018 and 2020.
—Kate Perez, USA Today, 22 Feb. 2026
Croton is a relative of castor bean and poinsettia and its milky white sap, like theirs, may irritate the skin.
—Joshua Siskin, Oc Register, 14 Feb. 2026
See All Example Sentences for castor bean
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jaclyn Cosgrove, Los Angeles Times, 9 Apr. 2026
Ricin is a highly toxic chemical that is naturally found in castor beans.
—Kirsty Hatcher, PEOPLE, 2 Apr. 2026
Letters and packages containing Ricin, a poison found in castor beans, have been sent to the president and other top U.S. officials in the past, including in 2018 and 2020.
—Kate Perez, USA Today, 22 Feb. 2026
Croton is a relative of castor bean and poinsettia and its milky white sap, like theirs, may irritate the skin.
—Joshua Siskin, Oc Register, 14 Feb. 2026
See All Example Sentences for castor bean
Cite this Entry
“Castor bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor%20bean. Accessed 18 Apr. 2026.
Copy CitationMedical Definition
castor bean
noun
cas·tor bean
ˈkas-tər- 
: the very poisonous seed of the castor-oil plant
also
: castor-oil plant
Love words? Need even more definitions?
Merriam-Webster unabridged
