When a place or organization in one country is twinned with a place or organization in another country, a special relationship is formally established between them.
1. either of two offspring born at the same time from the same pregnancy
2. a duplicate copy
Verb
1. duplicate or match;
"The polished surface twinned his face and chest in reverse"
2. bring two objects, ideas, or people together;
"This fact is coupled to the other one""Matchmaker, can you match my daughter with a nice young man?""The student was paired with a partner for collaboration on the project"