castor bean

noun

: the very poisonous seed of the castor-oil plant

Examples of castor bean in a Sentence

Recent Examples on the Web Suri’s are made of eco-friendly materials like cornstarch and castor beans. Jen Murphy, Outside Online, 21 Oct. 2024 Designed for bike racing, the Density is just as ideal for nordic skiing, thanks to its huge field of vision, arms made from soft-gripping rubber derived from castor beans that can be bent in multiple ways for a custom fit, and photochromic lenses that adjust to whatever light is on the trail. Stephanie Pearson, Outside Online, 10 Oct. 2024 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 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 31 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

More from Merriam-Webster on castor bean

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!