convention
noun
uk/kənˈvenʃən/ us [ C ] MEETINGS
a large, formal meeting of people who work in the same industry or belong to the same organization or profession:
a convention of shopping center developers
hold/host a convention Madrid will host next year's convention.
go to/attend a convention Over 2,000 people attended the convention in Philadelphia.
[ C ] GOVERNMENT
an official agreement between governments that makes rules relating to a particular activity:
convention on sth the European Convention on Human Rights
sign/ratify a convention One hundred and twenty countries signed a convention banning the use of the pesticides.
[ C or U ]
the accepted or traditional method of doing something, or an example of doing something in the traditional way:
Bureaucracy and corporate convention can be an obstacle when facing new business challenges.
Unwritten conventions do not have the same value as signed agreements.