A person who breeds plants or animals (professionally). / (slang, derogatory) A person who has had or who is capable of having children; a person who is focussed on the rearing of their own children.

plural of breeder

A fine day which is supposed to presage bad weather.

plural of weather breeder

A nuclear reactor that generates more fissile material than it consumes.

A nuclear plant which produces fissionable material from high-energy neutrons as a byproduct in excess of the amount it uses to operate.

plural of fast-breeder reactor

Synonym of bird fancier's lung

plural of breedermobile

(slang, derogatory) A vehicle (particularly a minivan) used by parents to transport their child/children.