Tatar /ˈtɑtɚ/noun 2adjective 1forms 3 noun2 •A person belonging to one of several Turkic ethnic groups identified or identifying as "Tatar" in Eastern Europe, Russia and Central Asia. •A Volga Tatar of Tatarstan, the bearers of the unqualified "Tatar" ethnonym after national delimitation in the Soviet Union. adjective1 •Of or relating to the people or culture of Tatars.Tatar customs formsTatars · more Tatar · most Tatar