Ossetian Syllabification: (Os·se·ti·an)Pronunciation: /əˈsetēən, äˈsēSHən/Definition of Ossetian noun 1the Iranian language of the Ossetes. 2a native or inhabitant of Ossetia. adjective relating to the Ossetes or their language. Ossetian in other Oxford dictionaries Definition of Ossetian in the British & World English dictionary