Meaning of line-out

line-out

Pronunciation: (līn'out"), [key]
— n. Rugby.
  1. 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.