federation
US /ˌfed.əˈreɪ.ʃən/
UK /ˌfed.əˈreɪ.ʃən/

名詞
1.
連邦, 連合
a group of states or organizations that have joined together to form a larger group, but in which the component states or organizations retain a degree of autonomy
例:
•
The country is a federation of several independent states.
その国はいくつかの独立した州の連邦です。
•
The sports federation organizes national competitions.
スポーツ連盟は全国大会を組織しています。
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