Definitions for goal line
Random House Webster's College Dictionary
the line that bounds a goal, esp. the front line.
a line marking each end of the playing field or pitch; where the goals stand
the boundary of the field that runs along its width at each end, and across the front of the goal.
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 teamu2019s goal line is that which it is defending.
the red line that runs across the rink and the front of the goal.