[tahr-tuh-ree] 
| the historical name of a region of indefinite extent in E Europe and Asia: designates the area overrun by the Tartars in the Middle Ages, from the Dnieper River to the Pacific. |
| Tar·ta·ry (tär'tə-rē) A vast region of eastern Europe and northern Asia controlled by the Mongols in the 13th and 14th centuries. It extended as far east as the Pacific Ocean under the rule of Genghis Khan. |
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