Sust. MASC. and EMF. 1 Khazar or Khazar, semi-nomadic people established in portions of Kazakhstan, Ukraine, Azerbaijan, the Caucasus, Georgia, Crimean and Turkey. 2 Lake in Turkey. 3. Mountain in Iran. 4. City in the Balkan province, Turkmenistan. 5. Nightingale in Arabic. The name comes from the Turkish, which in modern version is «gezer»: wandering.