外蒙 Traditional form: 外蒙 Pinyin (reading): Wàiměng Definitions: Outer Mongolia (abbr. for 外蒙古 ( Wài Měnggǔ)) Characters: 外 - out, outside, external; foreign; in addition 蒙 - to cover; to deceive; Mongolia Traditional characters: 外 - out, outside, external; foreign; in addition 蒙 - to cover; to deceive; Mongolia