/ Dictionary / Index L line drop: Meaning and Definition of Find definitions for: line' drop" Pronunciation: [key] — Elect. Elect. the decrease in voltage between two points on an electric line, often caused by resistance or leakage along the line. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. line drive line engraving Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language