Meaning

• Act of joining together into a single political entity.

  "It is 106 years since federation."

• Array of nations or states that are unified under one central authority which is elected by its members.

• Any society or organisation formed from separate groups or bodies.

• A collection of network or telecommunication providers that offer interoperability.

Meaning

• Of an architectural style popular around the time of federation.

  "We live in a federation house."