/ Dictionary / Index L line art: Meaning and Definition of Find definitions for: line' art" Pronunciation: [key] graphic material that consists of lines or areas of pure black and pure white and requires no screening for reproduction. Cf. halftone (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. linear space linear-tracking Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language