federacyPronunciation: /ˈfɛd(ə)rəsi/Definition of federacy noun (plural federacies) a group of states with a central government but independence in internal affairs; a federation. [mass noun] the state of being joined by a treaty. Origin: mid 17th century: from federate + -acy, on the pattern of confederacyfederacy in other Oxford dictionaries Definition of federacy in the US English dictionary
