touchline

noun

1. One of the lines that mark the border limits of the pitch.

   “French winger Hatem Ben Arfa has also taken plenty of plaudits recently and he was the architect of the opening goal with some superb trickery on the left touchline.”

   “Some kids were having a kickabout on the grass beside the walkway, cheering, groaning, calling for the ball, absorbed in the game, a self-contained universe marked out by jackets for goalposts and invisible touchlines.”