<p><strong>noun</strong></p><ul><li>a member of any of the various tribes, chiefly Mongolian and Turkish, who, originally under the leadership of Genghis Khan, overran Asia and much of eastern Europe in the Middle Ages.</li><li>a member of the descendants of this people variously intermingled with other peoples and tribes, now inhabiting parts of the European and western and central Asian Russian Federation.</li><li>(often lowercase) a savage, intractable person.</li><li>(often lowercase) an ill-tempered person.</li></ul><p><strong>adjective</strong></p><ul><li>of or relating to a Tartar or Tartars; Tartarian.</li></ul>