From Longman Dictionary of Contemporary EnglishAzerbaijanA‧zer‧bai‧jan /ˌæzəbaɪˈdʒɑːn $ ˌɑːzər-/ a country in the extreme southeast of Europe, west of the Caspian Sea and north of Iran. Population: 9,590,159 (2014). Capital: Baku. Azerbaijan became independent of the former Soviet Union in 1991. —Azerbaijani noun, adjective