/ Dictionary / Index L line gauge: Meaning and Definition of Find definitions for: line' gauge" Pronunciation: [key] a printer's ruler, usually marked off in points, picas, agates, and inches, and sometimes also in centimeters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. line gale line-haul Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language