/ Dictionary / Index B backlight: Meaning and Definition of Find definitions for: back•light Pronunciation: (bak'līt"), [key] — n., v., -light•ed -lit, -light•ing. —n. a light source placed behind an actor, object, or scene to create a highlight that separates the subject from the background. —v.t. to illuminate (something) from behind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. backlash backlighting Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language