- of or relating to Mongolia, its people, or their language（与）蒙古（有关）的; （与）蒙古人（有关）的; （与）蒙古语（有关）的。
1
- a native or national of Mongolia蒙古人; 蒙古族人。
2
- mass noun the language of Mongolia, a member of the Altaic family with an unusual vertical cursive script. It has some 2 million speakers, and related forms are spoken by over 3 million people in northern China.蒙古语（阿尔泰语族一分支, 文字为竖写草体; 约200万人使用, 中国北部有300多万人使用其亲属语言形式）。