Webster's Revised Unabridged Dictionary · 1913

Federal

Federal , adjective

[Latin foedus league, treaty, compact; akin to fides faith: compare French fédéral. see Faith.]

1.
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.
The Romans compelled them, contrary to all federal right,... to part with Sardinia. — Grew
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.
(b)
Consisting or pertaining to such a government; as, the Federal Constitution; a Federal officer.
(c)
Friendly or devoted to such a government; as, the Federal party. see Federalist.
Collocations (1)
Federal Congress , See under Congress.

Federal , noun

See Federalist.