noun
multilateral conference; multilateral negotiations
Refers to formal discussions or negotiations involving multiple countries, often used in diplomatic or international relations contexts.
多国間協議が来月ジュネーブで開かれる。
A multilateral conference will be held in Geneva next month.
気候変動に関する多国間協議は難航している。
Multilateral negotiations on climate change are facing difficulties.
Compound of 多国間 (multilateral) and 協議 (conference, consultation). The term is a straightforward modern coinage reflecting international diplomatic vocabulary.