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breeder

American  
[bree-der] / ˈbri dər /

noun

breeders plural
  1. an animal, plant, or person that produces offspring or reproduces.

  2. a person who raises animals or plants primarily for breeding purposes.

  3. Also called breeder reactorEnergy. a nuclear reactor in which more fissile material is produced than is consumed.

  4. Slang: Sometimes Offensive. a term used by gay people to refer to a heterosexual person.

  5. Slang: Sometimes Offensive. a term used especially by child-free people to refer to a biological parent.


breeder British  
/ ˈbriːdə /

noun

  1. a person who breeds plants or animals

  2. something that reproduces, esp to excess

    rabbits are persistent breeders

  3. an animal kept for breeding purposes

  4. a source or cause

    a breeder of discontent

  5. short for breeder reactor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of breeder

First recorded in 1525–35; breed + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Showhouses are always extravagant, and this year’s event takes place inside the 8,000-square-foot former home of Clara Baldwin Stocker, daughter of land investor and racehorse breeder Elias J. “Lucky” Baldwin.

From Los Angeles Times • Apr. 29, 2026

The newspaper describes her as a "dog breeder and horse lover" who ran Croft Farm, a boarding kennels in the village Thorpe in Balne.

From BBC • Mar. 20, 2026

She made the ferry journey over to England with a fellow Dutch breeder friend and seven pooches between them -- three of them Swedish Vallhunds and four other hounds.

From Barron's • Mar. 5, 2026

Wes Pingree, a breeder who runs SoCalMiniPigs with his wife Sandra, said prospective buyers often underestimate what “mini” means.

From The Wall Street Journal • Mar. 3, 2026

After spending a petless year with only one child still living at home, my parents visited a breeder and returned with a Great Dane they named Melina.

From "Me Talk Pretty One Day" by David Sedaris

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