confederacy
noun [ + sing/pl verb ] uk/kənˈfed.ər.ə.si/ us/kənˈfed.ɚ.ə.si/
[ C or U ]（通常指政治或贸易的）同盟，联盟，联邦，邦联
a situation in which states or people join together for a particular purpose, usually related to politics or trade, or a group formed like this
the Confederacy[ S ] 南部邦联（美国南方蓄奴州宣布从美利坚合众国分裂而出的政权）
the group of southern states in the American Civil War that fought to leave the United States and keep slavery