OrpingtonPronunciation: /ˈɔːpɪŋt(ə)n/Definition of Orpington noun 1a chicken of a buff, white, or black breed. 2a duck of a buff or white breed, kept for its meat. Origin: late 19th century: from Orpington, the name of a town in KentOrpington in other Oxford dictionaries Definition of Orpington in the US English dictionary