Iranian

adjective

1. of Iran or its people, language, or culture
2. of the Iranian branch of Indo-European

noun

1. a member of the people of Iran; Persian
2. the group of languages making up the Iranian branch, Indo-Iranian subfamily, of the Indo-European language family, including languages now spoken in the Plateau of Iran and a small area of the Caucasus: among the extant languages of the group are Farsi (Persian), Kurdish, and Pashto