Examples of castor bean in a Sentence
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Portions of the trail were overgrown with castor bean and other invasives, but some park workers or kind volunteers are doing their best to keep it clear enough to pass.
—
Jaclyn Cosgrove, Los Angeles Times, 30 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
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Jaclyn Cosgrove, Los Angeles Times, 30 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 2 May. 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
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