Pronunciation: (fed"u-rā'shun), [key]
1. the act of federating or uniting in a league.
2. the formation of a political unity, with a central government, by a number of separate states, each of which retains control of its own internal affairs.
3. a league or confederacy.
4. a federated body formed by a number of nations, states, societies, unions, etc., each retaining control of its own internal affairs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.