/ Dictionary / Index P panel lighting: Meaning and Definition of Find definitions for: pan'el light"ing Pronunciation: [key] lighting of a room or building by means of flat sheets of material that glow brightly when a coating of a phosphor is excited by an electrical charge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. panelized panel patch Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language