breeder

noun

breed·​er ˈbrē-dər 

: 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

According to Christian Vargas García, TARS lead curator and plant breeder, the archipelago’s historic records of cacao go back to the 1700s. —Sandra Guzman, USA Today, 3 Apr. 2026

According to the post, he had been discarded by a breeder and later taken in from a shelter. —Maria Azzurra Volpe, MSNBC Newsweek, 31 Mar. 2026

Those breeders do occasionally have issues, but that’s the point of the inspections. —Ed Sayres, Denver Post, 29 Mar. 2026

Check your local humane shelter or reputable breeders in your area. —Bestreviews, Mercury News, 10 Mar. 2026

Word History

First Known Use

1529, in the meaning defined above

Rhymes for breeder

• bleeder
• feeder
• leader
• lieder
• meader
• pleader
• reader
• reeder
• seeder
• weeder
• cheerleader
• proofreader

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