dome light

or domelight

noun

1. a small light under the roof of an automobile or boat.
2. a flashing light on the roof of an emergency vehicle, as a police car or ambulance.

Word History and Origins

Origin of dome light¹

First recorded in 1955–60

Example Sentences

Footage from the officers’ body cameras shows the officers found Moses unconscious in the driver’s seat of a rental car, which was parked with the transmission engaged, engine running and dome light on.

From Seattle Times

Footage from the officers’ body cameras shows Moses unconscious in the driver’s seat of a rental car, which was parked with the transmission engaged, engine running and dome light on.

From Seattle Times

He would stop by the Whaleys’ home when he saw a dome light left on in a car.

From Washington Post

Be visible for rescuers by turning on the dome light at night or tying a bright-colored cloth – preferably red – to your antenna or door.

From Fox News

The body camera footage begins with officers approaching Moses’ car, which was parked on the street with the transmission engaged, engine running and dome light on.

From Seattle Times