breeder

noun

breed·​er ˈbrē-dər How to pronounce breeder (audio)
: one that breeds: such as
a
: an animal or plant kept for propagation
b
: one engaged in the breeding of a specified organism
c
: a nuclear reactor designed to produce more fissionable material than it uses as fuel

called also breeder reactor

Examples of breeder in a Sentence

Recent Examples on the Web
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.
For some breeders, the rapid enthusiasm around triploids is justified. Javier Hasse, Forbes.com, 2 June 2025 These days Barber is inundated with breeders who want to partner. Alex Beggs, Bon Appetit Magazine, 8 Apr. 2025 Curry is a deer breeder at a ranch in Mexico and used to be a deer breeder in Texas. Eleanor Dearman, Fort Worth Star-Telegram, 19 Mar. 2025 After surveying for over 40 consecutive breeding seasons, researchers were able to decipher the relationship between breeders and helpers. Jay Kakade may 18, New Atlas, 18 May 2025 See All Example Sentences for breeder

Word History

First Known Use

1531, in the meaning defined above

Time Traveler
The first known use of breeder was in 1531

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Cite this Entry

“Breeder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/breeder. Accessed 6 Jun. 2025.

Medical Definition

breeder

noun
breed·​er
: one that breeds: as
a
: an animal or plant kept for propagation
b
: one engaged in the breeding of a specified organism

More from Merriam-Webster on breeder

Last Updated: - Updated example sentences
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