collaboration

noun
C1+
1
C1+
the act of working with another person or group of people to create or produce something
همکاری, مشارکت, همیاری
2
C1+
a piece of work produced by two or more people or groups of people working together
همکاری, مشارکت, همیاری, تولید مشترک
The exhibition is a collaboration with the Australian Centre for the Moving Image.
This mission was a collaboration between the National Space Agency of Japan and NASA.
3
C1+
the act of helping the enemy during a war when they have taken control of your country
همدستی, خیانت, تبانی
his wartime collaboration with the Nazis