confederation

US /kənˌfed.əˈreɪ.ʃən/
UK /kənˌfed.əˈreɪ.ʃən/
"confederation" picture
1.

confederación, liga

an organization that consists of a number of parties or groups united in an alliance or league

:
The European Union is a complex confederation of states.
La Unión Europea es una compleja confederación de estados.
The sports clubs formed a confederation to organize joint events.
Los clubes deportivos formaron una confederación para organizar eventos conjuntos.