Inflected forms: pl. con·fed·er·a·cies 1a. A union of persons, parties, or states; a league. b. The persons, parties, or states joined in such a union. c.Confederacy The Confederate States of America. 2. A group of people who have united for unlawful practices; a conspiracy.
ETYMOLOGY:
Middle English confederacie, from Anglo-Norman, from Late Latin cnfoederti, cnfoedertin-, agreement, from cnfoedertus, past participle of confoederre, to unite. See confederate.