/ Dictionary / Index L line printer: Meaning and Definition of Find definitions for: line' print"er Pronunciation: [key] — Computers. Computers. a printer that produces an entire line of output at a time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. line-out liner Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language