See more synonyms for breeder on
  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 reactor. Energy. a nuclear reactor in which more fissile material is produced than is consumed.
  4. Slang: Disparaging and Offensive. a contemptuous term used by gays to refer to a heterosexual.
  5. Slang: Disparaging and Offensive. a contemptuous term used especially by child-free people to refer to a biological parent.

Origin of breeder

First recorded in 1525–35; breed + -er1
Related formsnon·breed·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Contemporary Examples of breeder

Historical Examples of breeder

British Dictionary definitions for breeder


  1. a person who breeds plants or animals
  2. something that reproduces, esp to excessrabbits are persistent breeders
  3. an animal kept for breeding purposes
  4. a source or causea 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

Word Origin and History for breeder

1570s, "one who produces or originates," agent noun from breed (v.). Meaning "one who breeds cattle" or some other animal is recorded from 1530s. Of nuclear reactors, from 1948. As a scornful homosexual term for "heterosexual person," attested from 1986.

Online Etymology Dictionary, © 2010 Douglas Harper