jointproject

noun
UK /dʒɔɪnt ˈprɒdʒɛkt/
US /dʒɔɪnt ˈprɑːdʒɛkt/

A joint project is work that two or more people do together.

The two classes made a joint project about saving water.


OTHER MEANINGS

2. A task shared equally by two organizations or countries.

The science fair was a joint project between the two schools.

3. A piece of work where everyone helps and shares the credit.

Building the treehouse was a joint project for the whole family.

4. An activity planned and run by two groups working as one.

The clean-up day was a joint project of the town and the park service.