cul-de-sac
nounUK /ˌkʌl də ˈsæk/
US /ˌkʌl də ˈsæk/
A cul-de-sac is a street that is closed at one end, so cars can only go in and come back out.
The kids played safely in the cul-de-sac because almost no cars drove through.
OTHER MEANINGS
2. A situation or course of action that leads nowhere and offers no way forward.
The negotiations turned into a cul-de-sac with no agreement in sight.
3. A tube or passage closed at one end, especially in anatomy.
The doctor explained that the pouch was a cul-de-sac connected to the intestine.
4. A bag-shaped cavity or sac open at only one end.
The small cul-de-sac in the tissue collected fluid.