dome light

or domelight

noun

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

First recorded in 1955–60

Then the dome light was switched on, and she saw Victor with a bleak face sitting over her, an automatic pistol naked in his hand.

Snapping on the dome light in the taxi, he held them in the palm of his hand.

He opened the car door, and the soft glow of the dome light filled the interior.

In the light of the bright dome light, Bell saw beads of sweat coming out on Jamison's face.

“This is my idea of living,” he proclaimed as he sent a blue cloud up toward the rather awful dome-light above the big table.

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