( tie-ups)
1.
A tie-up or a traffic tie-up is a long line of vehicles that cannot move forward because there is too much traffic, or because the road is blocked by something. ( AM; in BRIT, use traffic jam )
In some cities this morning, there were traffic tie-ups up to 40 miles long.
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2.
A tie-up between two organizations is a business connection that has been arranged between them.
The deal is expected to result in similar tie-ups between big media companies and telecommunications operators.
N-COUNT : oft N between pl-n , N with n