(bound form) alliance; pact; to ally or form a union between nations or political groups

(bound form) an oath or solemn pledge; to swear or vow

an administrative subdivision in Inner Mongolia, equivalent to a prefecture; historically a union of Mongolian tribes

(bound form) describes a relationship based on a ritual oath, such as sworn brothers

(bound form) used in the historical place name 盟津 mèng​jīn

a Chinese surname

(literary) old pronunciation for 盟 méng in certain compounds, such as 盟誓 méng​shì