rearreverselight
nounUK /ˌrɪə rɪˈvɜːs laɪt/
US /ˌrɪr rɪˈvɜːrs laɪt/
A bright light on the back of a car that turns on when the car goes backward.
The rearreverselight came on as she backed out of the driveway.
RELATED WORDS
OTHER MEANINGS
2. A warning lamp on a vehicle that signals the driver is in reverse gear.
Check the rearreverselight if it doesn't glow when you shift into reverse.
3. The white light assembly at the rear of a truck or trailer used while backing up.
The mechanic replaced the broken rearreverselight on the trailer.
4. A small light used to illuminate the area behind a vehicle at night.
The rearreverselight helped him see the curb while parking.