the act of coming together; the state of being together; union; coalition.-general agreement or concurrence; arbitrary custom; usage; conventionality.-a meeting or an assembly of persons, esp. of delegates or representatives, to accomplish some specific object, -- civil, social, political, or ecclesiastical.-an extraordinary assembly of the parkiament or estates of the realm, held without the king's writ, -- as the assembly which restored charles ii. to the throne, and that which declared the throne to be abdicated by james ii.-an agreement or contract less formal than, or preliminary to, a treaty; an informal compact, as between commanders of armies in respect to suspension of hostilities, or between states; also, a formal agreement between governments or sovereign powers; as, a postal convention between two governments.