courtesy light

American  

noun

1. a light on the inside of an automobile that is turned on automatically when a door is opened.

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courtesy light British  

noun

1. the interior light in a motor vehicle

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Etymology

Origin of courtesy light

First recorded in 1955–60

Example Sentences

Photograph: courtesy Light Cone Films In 1984, a young Takashi Ito travelled to the art school in Wurzburg, Germany, to screen a short film he'd made a few years before.

From The Guardian