confederation
US /kənˌfed.əˈreɪ.ʃən/
UK /kənˌfed.əˈreɪ.ʃən/
1.
聯盟, 邦聯
an organization that consists of a number of parties or groups united in an alliance or league
:
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The European Union is a complex confederation of states.
歐盟是一個複雜的國家聯盟。
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The sports clubs formed a confederation to organize joint events.
體育俱樂部組建了一個聯盟，以組織聯合活動。