(~s)
1.
A ~ between two things is a link or connection between them. The ~ of two things is the act of linking or connecting them.
No one disputes the direct ~ between the unemployment rate and crime...
We’re trying to establish ~s between these groups and financial institutions.
...the creation of new research materials by the ~ of previously existing sources.
N-VAR: oft N between/with/of n
2.
Linkage is an arrangement where one country agrees to do something only if another country agrees to do something in return.
There is no formal ~ between the two agreements...
He insisted that there could be no ~ with other Mideast problems...
N-UNCOUNT: oft N between/with n