(1):
(n.) See Federalist.
(2):
(a.) Composed of states or districts which retain only a subordinate and limited sovereignty, as the Union of the United States, or the Sonderbund of Switzerland.
(3):
(a.) Pertaining to a league or treaty; derived from an agreement or covenant between parties, especially between nations; constituted by a compact between parties, usually governments or their representatives.
(4):
(a.) Friendly or devoted to such a government; as, the Federal party. see Federalist.
(5):
(a.) Consisting or pertaining to such a government; as, the Federal Constitution; a Federal officer.