For pronunciation and definitions of 囯 – see 國 (“country; nation; nation-state; kingdom; capital; etc.”). (This character, 囯, is the former (1935–1936) ROC simplified, former (1969–1976) Singaporean simplified, and variant form of 國.)
Cong, Yanshuang; Liu, Fengzhu; Chi, Jianxue (叢艷雙，劉鳳翥，池建學) (2005). 契丹大字《多羅里本郎君墓志銘》考釋 (A Textual Research and Explanation on the Inscription for Duoluoliben in Big Qidan Script). 《民族語文》 (Minority Languages of China), issue 4, page 54.