commonscreen
nounUK /ˈkɒmən skriːn/
US /ˈkɑːmən skriːn/
A screen is a flat thing that shows pictures or words, and common means shared by many, so a commonscreen is a screen that lots of people use together.
The students watched the video on the commonscreen in the hall.
OTHER MEANINGS
2. A shared area on a computer or app where many people can see the same information.
Everyone added their ideas to the commonscreen during the meeting.
3. A large public screen in a town or school that shows news or notices to everyone.
The commonscreen outside the library showed the day's events.
4. A place online where people post messages for a whole group to read.
The teacher pinned the homework on the class commonscreen.