外蒙 wàiměng Outer Mongolia Origin Definitions Defs Strokes Stroke Words Sentences Sents 外蒙古 wàiměnggǔ Outer Mongolia Outer Mongolia; the Republic of Mongolia. Historically refers to the northern region of the Mongolian plateau, often used to distinguish from Inner Mongolia or [[内蒙古|內蒙古|nei4 meng3 gu3]].