(~s)
1.
A ~ is a distinction or set of distinctions which marks the difference between two types of thing or two groups.
There’s a very thin ~ between joviality and hysteria.
N-COUNT: usu sing, oft N between pl-n
2.
The ~ between two areas is the boundary between them.
...people on both sides of the ~ between Israel and the occupied territories.
N-SING: oft N between pl-n