con·fed·er·a·tion /kənˌfɛdəˈreʃən/
  同盟,聯盟,組織聯盟
  Con·fed·er·a·tion n.
  1. The act of confederating; a league; a compact for mutual support; alliance, particularly of princes, nations, or states.
     The three princes enter into some strict league and confederation among themselves.   --Bacon.
     This was no less than a political confederation of the colonies of New England.   --Palfrey.
  2. The parties that are confederated, considered as a unit; a confederacy.
  Articles of confederation. See under Article.
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  confederation
       n 1: the state of being allied or confederated [syn: alliance]
       2: a union of political organizations [syn: confederacy, federation]
       3: the act of forming an alliance or confederation [syn: alliance]