/ Dictionary / Index P pilot lamp: Meaning and Definition of Find definitions for: pi'lot lamp" Pronunciation: [key] an electric lamp, used in association with a control, which by means of position or color indicates the functioning of the control; an indicator light or a control light. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pilot ladder pilotless Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language