touchline

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

linha lateral

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.
A bola saiu pela linha lateral.
The coach stood near the touchline, shouting instructions.
O treinador ficou perto da linha lateral, gritando instruções.