Good manners and courteous behaviour resulting from a good upbringing, especially among the upper classes. Also occasionally: the good upbringing evidenced by such manners.
Origin
Early 17th century; earliest use found in John Davies. From good + breeding.
Definition of good breeding in US English:
good breeding
nounˌɡʊd ˈbriːdɪŋ
Good manners and courteous behaviour resulting from a good upbringing, especially among the upper classes. Also occasionally: the good upbringing evidenced by such manners.
Origin
Early 17th century; earliest use found in John Davies. From good + breeding.