[ bree-der ]
/ ˈbri dər /


an animal, plant, or person that produces offspring or reproduces.
a person who raises animals or plants primarily for breeding purposes.
Also called breeder reactor. Energy. a nuclear reactor in which more fissile material is produced than is consumed.
Slang: Disparaging and Offensive. a contemptuous term used by gays to refer to a heterosexual.
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


non·breed·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for breeder

/ (ˈbriːdə) /


a person who breeds plants or animals
something that reproduces, esp to excessrabbits are persistent breeders
an animal kept for breeding purposes
a source or causea breeder of discontent
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