castor bean

noun

: the very poisonous seed of the castor-oil plant

Examples of castor bean in a Sentence

Recent Examples on the Web The family secured two homesteads in Queen Creek; the farm expanded to cover 1,000 acres growing cotton, watermelon, potatoes, Durham wheat, castor beans, corn and sugar beets. Shelby Slade, The Arizona Republic, 25 July 2024 Castor oil, which is a type of oil that is extracted from the castor bean, contains a compound known as ricinoleic acid. Sherri Gordon, Health, 22 July 2024 Castor oil is a vegetable oil derived from castor beans. Jacqueline Kilikita, refinery29.com, 4 Mar. 2024 What Is Castor Oil? Castor oil is a vegetable oil that comes from the seeds of the castor bean plant. Cristina Mutchler, Verywell Health, 3 July 2024 See all Example Sentences for castor bean 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'castor bean.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1819, in the meaning defined above

Time Traveler
The first known use of castor bean was in 1819

Dictionary Entries Near castor bean

Cite this Entry

“Castor bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor%20bean. Accessed 5 Oct. 2024.

Kids Definition

castor bean

noun
cas·​tor bean
ˈkas-tər-
: the very poisonous seed of the castor-oil plant

Medical Definition

castor bean

noun
cas·​tor bean ˈkas-tər- How to pronounce castor bean (audio)
: the very poisonous seed of the castor-oil plant

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