- (Australia) Of an architectural style popular around the time of federation.
"We live in a federation house."
- Array of nations or states that are unified under one central authority which is elected by its members.
- Act of joining together into a single political entity.
"It is 106 years since federation."
- (computing, telecommunications) A collection of network or telecommunication providers that offer interoperability.
- Any society or organisation formed from separate groups or bodies.