(2) A member of a people of Turkic speech living in the Volga region in eastern Russia
WiktionaryText
Proper noun
An agglutinative language of the Bolgar branch of the Turkic language family and is spoken west of the Ural mountains in central Russia. Chuvash is the native language of the Chuvash people and an official language of Chuvashia. It is spoken by about two million people.