内蒙古 Traditional form: 內蒙古 Pinyin (reading): Nèiměnggǔ Definitions: see 內蒙古自治區/内蒙古自治区 ( Nèiměnggǔ Zìzhìqū) Characters: 内 - inside 蒙 - to cover; to deceive; Mongolia 古 - old, classic, ancient Traditional characters: 內 - inside 蒙 - to cover; to deceive; Mongolia 古 - old, classic, ancient