/ Dictionary / Index L line-out: Meaning and Definition of Find definitions for: line-out Pronunciation: (līn'out"), [key] — n. Rugby. a procedure for putting an out-of-bounds ball back in play, whereby a player outside the touchline tosses the ball high and between two lines of opposing forwards lined up perpendicular to the touchline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lineolate line printer 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