turn-backsign
nounUK /ˈtɜːn bæk saɪn/
US /ˈtɝːn bæk saɪn/
A turn-backsign is a sign that tells you to go back the way you came.
The hikers saw a turn-backsign at the edge of the forest and knew they had to return.
RELATED WORDS
OTHER MEANINGS
2. A sign marking the point where a road or path turns back on itself.
The turn-backsign showed the trail looping back toward the parking lot.
3. A signal or gesture indicating that someone should reverse direction.
The guard gave a turn-backsign with his hand, so the car backed up.
4. A notice that a process or plan must be reversed.
The manager's turn-backsign meant the team had to undo the last change.