reversing light

noun
UK /rɪˈvɜːsɪŋ laɪt/
US /rɪˈvɜːrsɪŋ laɪt/

A small white light on the back of a car that turns on when the car goes backward.

The reversing light came on as she backed out of the driveway.


OTHER MEANINGS

2. A light that helps a driver see behind the vehicle while reversing at night.

He checked the reversing light before backing into the dark garage.

3. A warning light that signals to others that a vehicle is moving backward.

Pedestrians noticed the reversing light and stepped aside.

4. The white lamp assembly at the rear of a vehicle used only in reverse gear.

The mechanic replaced the broken reversing light on the old van.