con·fed·er·a·cy 
/kənˈfɛdərəsi/ noun
plural con·fed·er·a·cies /kənˈfɛdərəsi/ noun 1 [count] : a group of people, countries, organizations, etc., that are joined together in some activity or effort
▪ a confederacy of native tribes 2 the Confederacy : the group of 11 southern states that separated themselves from the U.S. during the American Civil War
▪ the last state to join the Confederacy
▪ a confederacy of native tribes
▪ the last state to join the Confederacy
