adjective
Pertaining to a league or treaty; derived from an agreement or covenant between parties, especially between nations.
Pertaining to the national government level in a federal nation, as opposed to state, provincial, county, city, or town.
(theology) Relating to covenantalism.
noun
A federal agent or (chiefly law-enforcement) official.
(US, historical) A Union soldier in the American Civil War.
A supporter of federation.