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definitions
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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.
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Origin of dome light

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dome light

Historical Examples of dome light

  • He found a switch and pressed it, and a dome-light came into being.

    Astounding Stories of Super-Science, June, 1930

    Various