federacy Syllabification: (fed·er·a·cy)Pronunciation: /ˈfed(ə)rəsē/Definition of federacy noun (plural federacies) a group of states with a central government but independence in internal affairs; a federation. 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 British & World English dictionary
