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

The bill requires breeders who sell three litters or 25 or more dogs a year to obtain a license through the state Department of Agriculture, Trade and Consumer Protection. —Laura Schulte, jsonline.com, 8 July 2025

Under the proposals, pet stores would only have been allowed to showcase animals for adoption from government-run shelters or 501(c)(3) rescues — with strict guidelines to ensure no compensation, breeding or affiliations with breeders or brokers. —Brandi D. Addison, Austin American Statesman, 3 July 2025

The Dalmatian Club of America, for example, spent decades urging breeders to euthanize deaf puppies so the trait wouldn’t spread. —Lila Hempel-Edgers, Charlotte Observer, 23 June 2025

If responsible breeders are regulated out of business, then the only ones left will be irresponsible breeders who ignore the laws. —Sheila Goffe, Boston Herald, 3 June 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