confederacy
/kənˈfedərəsɪ/noun
(pl. -ies)
1- a league or alliance, especially of confederate states（尤指国家的）同盟; 联盟; 联合。
1.1
- 同CONFEDERATE STATES.
1.2
- a league formed for an unlawful purpose非法结社, 非法社团。
词源
late Middle English: from Old French confederacie, based on Latin confoederare 'join together in league' （see CONFEDERATION）.