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 breeder was also ordered to pay £10,000 (over $13,000) toward council costs and a surcharge of £187 (almost $250). — Adam England, PEOPLE, 29 June 2026

Many stallions see a dip in stud fees after the first couple of years into a horse’s stallion career, as owners and breeders wait to see if the first crops will race well as juveniles. — Graham Cornwell, New York Times, 19 June 2026

Every spring brings a new growing season and, for me and other garden communicators, dozens of not-yet-available sample plants sent by breeders and growers. — Dawn Pettinelli, Hartford Courant, 13 June 2026

While plant breeders have been able to coax other garden plants into re-blooming, this is not the case for peonies. — Nadia Hassani, The Spruce, 12 June 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