convention
n
a a large formal assembly of a group with common interests, such as a political party or trade union
b the persons attending such an assembly
2 (U.S. politics) an assembly of delegates of one party to select candidates for office
3 (Diplomacy) an international agreement second only to a treaty in formality
a telecommunications convention
4 any agreement, compact, or contract
5 the most widely accepted or established view of what is thought to be proper behaviour, good taste, etc.
6 an accepted rule, usage, etc.
a convention used by printers
7 (Bridge, Also called) conventional a bid or play not to be taken at its face value, which one's partner can interpret according to a prearranged bidding system (C15: from Latin conventio an assembling, agreeing)
Geneva Convention
n the international agreement, first formulated in 1864 at Geneva, establishing a code for wartime treatment of the sick or wounded: revised and extended on several occasions to cover maritime warfare and prisoners of war
National Convention
n
1 a convention held every four years by each major U.S. political party to choose its presidential candidate
2 (French history) the longest lasting of the revolutionary assemblies, lasting from Sept. 1792 to Oct. 1795, when it was replaced by the Directory
Schengen Convention , Agreement
n an agreement, signed in 1985, but not implemented until 1995, to abolish border controls within Europe: ten countries had acceded by 1995; the UK is not a signatory