breedingPronunciation: /ˈbriːdɪŋ/Translate breeding | into French | into German | into Italian | into Spanish Definition of breeding noun [mass noun] 1the mating and production of offspring by animals:the flooding of the rivers is a trigger for breeding to start 2the good manners regarded as characteristic of the aristocracy and conferred by heredity:a girl of good breedingbreeding in other Oxford dictionaries Definition of breeding in the US English dictionary