/ Dictionary / Index L light show: Meaning and Definition of Find definitions for: light' show" Pronunciation: [key] a form of entertainment consisting chiefly of constantly changing patterns of light and color, usually accompanied by music and sound effects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lightship lightsome Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language