a.

1. （常大寫）美國聯邦政府的，國家的
   The Federal government decides U.S. foreign policy.

   聯邦政府決定美國的外交政策。

2. 聯邦（制）的，聯邦政府的
   The United States has a federal government.

   美國有聯邦政府。

   Switzerland is a federal republic.

   瑞士是聯邦共和國。

3. （大寫）（美國南北戰爭時的）北部聯盟的

n.[C]

1. （大寫）（美國南北戰爭時的）北部聯盟支持者，北軍
2. 聯邦政府工作人員

adj.

1. having or relating to a system of government in which several states form a unity but remain independent in internal affairs.
2. relating to or denoting the central government as distinguished from the separate units constituting a federation.
   ▸ (Federal) US historical of the Northern States in the Civil War.