turnback

noun
UK /ˈtɜːnbæk/
US /ˈtɜːrnbæk/

A turnback is when you stop and go back the way you came.

The hikers made a turnback when the trail got too dark.


OTHER MEANINGS

2. A place where a road or path is designed so vehicles can turn around.

There is a turnback at the end of the street for buses.

3. A folded-back part of a garment, like a cuff or hem.

The coat had a wide turnback on the sleeves.

4. A person or group that turns back from a journey.

The turnbacks waited at the base camp.