go-backsign

noun
UK /ˈɡəʊ bæk saɪn/
US /ˈɡoʊ bæk saɪn/

A go-backsign is a sign that tells you to go back the way you came.

The hikers saw a go-backsign at the end of the trail and turned around.


OTHER MEANINGS

2. A signal or gesture that means someone should return or retreat.

She gave him a quick go-backsign with her hand.

3. A mark on a map or path showing where to reverse direction.

The map had a go-backsign near the dead end.

4. A reminder that sends someone back to an earlier task or place.

The teacher's go-backsign told the class to return to their seats.