firmunion

noun
UK /ˌfɜːmˈjuːniən/
US /ˌfɝːmˈjuːnjən/

A firm union is when people or groups join together in a strong and steady way.

The two clubs formed a firmunion to help their town.


OTHER MEANINGS

2. A strong and lasting connection between two things that are joined.

The firmunion of the two pipes kept the water from leaking.

3. A group of workers who stand together to protect their rights.

The firmunion of the workers helped them get fair pay.

4. The act of joining firmly so that something stays in place.

The firmunion of the bricks made the wall very strong.