Turan noun2 •(historical) A region of Central Asia, originally populated by Iranian Central Asian nomads; later, Iranians came to identify Turkic neighbours as Turanians.Light was happiness; and the people of Iran, the land of light, were the favourites of heaven; while those of Turan, the gloomy region beyond the mountains to the north, were its enemies. — 1828 •[plural only] A nomadic people of Kazakhstan, Uzbekistan, and Turkmenistan.