federation
🇺🇸
/ˌfedəˈreɪʃn/
🇬🇧
/ˌfedəˈreɪʃn/
A group of states that work together as one country but keep some local control.
The Russian Federation is a large country made up of many states.
A group of clubs or groups that join together to work as one.
The International Tennis Federation organizes global tennis events.
The act of joining separate groups into one larger group.
The federation of states created a stronger nation.