touchline

US /ˈtʌtʃ.laɪn/
UK /ˈtʌtʃ.laɪn/
"touchline" picture
1.

боковая линия

either of the two lines that mark the long sides of a soccer field or other sports field

:
The ball went out over the touchline.
Мяч вышел за боковую линию.
The coach stood near the touchline, shouting instructions.
Тренер стоял у боковой линии, выкрикивая инструкции.