A native of Iran; also, the Iranian or Persian language, a division of the Aryan family of languages, the modern version of which is called Farsi.
Linguistically, a subgroup of the Indo-Iranian branch of Indo-European languages, which in modern times includes Persian ( q.v.)--the most widely used--Pushtu, Kurdish ( q.v.) dialects, and Ossetic. In the Middle Iranian stage of the group's development (third century B.C. to tenth century A.D.), the chief languages were Parthian, Pahlavi (middle Persian), and Soghdian.