goal line

(rugby league, soccer, hurling, Gaelic football) the boundary of the field that runs along its width at each end, and across the front of the goal.

(American football) part of a vertical plane separating an end zone from the field of play when the ball is touched or is in player possession. The plane extends beyond the sidelines. A team’s goal line is that which it is defending.

(ice hockey) the red line that runs across the rink and the front of the goal.