Sakha /ˈsɑːkə/ noun[plural only]5 •A person of Sakha ethnicity. •A geographical region of North Asia which is inhabited dominantly by the Sakha people. •A republic and federal subject of Russia; in full, Sakha Republic. Official name: Republic of Sakha (Yakutia). •A formerly seminomadic Siberian people. •A North Siberian Turkic language.