convention: Meaning and Definition of

con•ven•tion

1. a meeting or formal assembly, as of representatives or delegates, for discussion of and action on particular matters of common concern.
2. a representative party assembly to nominate candidates and adopt platforms and party rules.
3. an agreement, compact, or contract.
4. an international agreement, esp. one dealing with a specific matter, as postal service or copyright.
5. a rule, method, or practice established by usage; custom: the convention of showing north at the top of a map.
6. general agreement or consent; accepted usage, esp. as a standard of procedure.
7. conventionalism.
8. any of a variety of established systems or methods of bidding or playing that allows partners to convey certain information about their hands.