Iyyar Syllabification: (Iy·yar)Pronunciation: /ˈēˌyär, ēˈyär/ (also Iyar)Definition of Iyyar noun (in the Jewish calendar) the eighth month of the civil and second of the religious year, usually coinciding with parts of April and May. Origin:from Hebrew’iyyārIyyar in other Oxford dictionaries Definition of Iyyar in the British & World English dictionary