jointevent

noun
UK /ˈdʒɔɪnt ɪˌvɛnt/
US /ˈdʒɔɪnt ɪˌvɛnt/

An event that two or more people or groups do together.

The school and the library held a joint event to celebrate reading week.


OTHER MEANINGS

2. A shared activity organized by two or more organizations.

The two charities planned a joint event to raise money.

3. A single occasion that combines two separate celebrations.

Their birthday party was a joint event for the twins.

4. In computing, an action triggered by more than one system at once.

The software logged the joint event from both devices.