multilateral
adjective uk/ˌmʌl.tiˈlæt.ər.əl/ us/ˌmʌl.tiˈlæt̬.ɚ.əl/
多国(或多方)参加的,多国(或多方)间的
involving more than two groups or countries
Seven countries are taking part in the multilateral talks. 将有七个国家参加这次多边会谈。
Synonym: many-sided
Compare: bilateralunilateral