treaty

n. formal agreement between two states, compact, covenant, contract

A treaty is an agreement under international law entered into by actors in international law, namely states and international organizations. A Treaty may also be known as: (international) agreement, protocol, covenant, convention, exchange of letters, exchange of notes, memorandum of understanding, etc. Regardless of the terminology, all of these international agreements under international law are equally treaties and the rules are the same.
See more at Wikipedia.org...

(n.)
The act of treating for the adjustment of differences, as for forming an agreement; negotiation.
  

(n.)
An agreement so made; specifically, an agreement, league, or contract between two or more nations or sovereigns, formally signed by commissioners properly authorized, and solemnly ratified by the several sovereigns, or the supreme power of each state; an agreement between two or more independent states; as, a treaty of peace; a treaty of alliance.
  

(n.)
A treatise; a tract.
  

(n.)
A proposal tending to an agreement.
  

Refers to the Treaty establishing the European Community. The Treaty was signed in Rome on 25 March 1957 and entered into force on 1 January 1958. It established the European Economic Community (EEC), which is now the European Community (EC), and is often referred to as the "Treaty of Rome". The Treaty on European Union (which is often referred to as the "Maastricht Treaty") was signed on 7 February 1992 and entered into force on 1 November 1993. The Treaty on European Union amended the Treaty establishing the European Community and established the European Union. The "Treaty of Amsterdam", which was signed in Amsterdam on 2 October 1997 and entered into force on 1 May 1999, amended both the Treaty establishing the European Community and the Treaty on European Union. Equally, the "Treaty of Nice", which concluded the 2000 Intergovernmental Conference and was signed on 26 February 2001 and entered into force on 1 February 2003, amended both the Treaty establishing the European Community and the Treaty on Europ

A formal agreement between two states signed by official representatives of each state. - (read more on Treaty)