federation

1.[c]联邦a country consisting of a group of individual states that have control over their own affairs but are controlled by a central government for national decisions, etc.

2.[c]（俱乐部、工会等的）联合会a group of clubs, trade/labor unions , etc. that have joined together to form an organization

3.[u]联邦；同盟；联盟the act of forming a federation

1.同盟,联盟

2.联邦;联邦政府

1.a country made up of individual states with the power to make their own decisions, but with a national government responsible for areas such as foreign policy and defense

2.a large organization made up of several smaller organizations or groups that share similar aims