/ Dictionary / Index C courtesy light: Meaning and Definition of Find definitions for: cour'tesy light" Pronunciation: [key] a light on the inside of an automobile that is turned on automatically when a door is opened. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. courtesy card courtesy title Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language