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 the current language of the bill, those circumstances would only apply if the specific disease had already been detected in another one of the breeder’s deer, or in a deer that was transferred from another breeder. —Dac Collins, Outdoor Life, 9 Apr. 2025

Their popularity exploded after the Tokyo Taishō Exhibition in 1914, where breeders from Niigata showcased their vibrant koi, captivating the public and elevating the fish to symbols of prestige and beauty across Japan and eventually Asia. —Scott Travers, Forbes, 14 Mar. 2025

Adult Ducks: Commercial layer or breeder pellets for ducks with 14–16% protein; increase to 16–18% during the laying period. —Josh Hammer, MSNBC Newsweek, 1 Apr. 2025

But the work of smaller, independent breeders like Mr. Baker is important creatively in the market, and to the evolving looks of coleus. —Margaret Roach, New York Times, 25 Mar. 2025

Word History

First Known Use

1531, 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