federation

/ˌfedərˈeɪʃən/ noun POLITICS

Definition

› [C] a group of organizations, regions, countries, etc. that have joined together to form a larger organization or government: a federation of states/companies/trade unions, etc. The United States is a federation of 50 individual states.

› [U] the act of forming a federation: He's against European federation.the federation of states/companies/trade unions, etc. The federation of the six original Australian states took place in 1901.

→ See also labor federation

(Definition of federation noun from the Cambridge Business English Dictionary © Cambridge University Press)