Definition of "Breeding" :

noun: the sexual activity of conceiving and bearing offspring

noun: the production of animals or plants by inbreeding or hybridization

noun: helping someone grow up to be an accepted member of the community

noun: elegance by virtue of fineness of manner and expression

noun: the result of good upbringing (especially knowledge of correct social behavior)

"A woman of breeding and refinement."

adjective: producing offspring or set aside especially for producing offspring

"The breeding population."