1. The line at either end of a court or field in sports, marking the boundary of the playing area
The basketball player shot the ball from behind the end line.
O jogador de basquete arremessou a bola de trás da linha de fundo.
2. In American football, the goal line at the end of the field where touchdowns are scored
He ran across the end line for a touchdown.
Ele correu para atravessar a linha de fundo para um touchdown.
3. In tennis or volleyball, the baseline at the ends of the court
The ball landed just inside the end line.
A bola caiu logo dentro da linha de fundo.