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

Unlike many other countries, the US abandoned both breeder reactors and nuclear fuel reprocessing back in the 1970s. — David Szondy august 22, New Atlas, 22 Aug. 2026

Though the Womacks come from a line of West Virginian horse breeders, there was nothing Americana about the childhoods of BG, Zeimani and Kucha. — Morena Duwe, Los Angeles Times, 17 Aug. 2026

According to the primary opposition group, the California Association for the Preservation of Gamefowl, 90% of game fowl breeders are Latino. — Naomi Taxay, Sacbee.com, 15 Aug. 2026

By the time breeders brought the dog to the US, the Coton de Tulear was firmly associated with fancy folks. — Popular Science Team, Popular Science, 12 Aug. 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