touchback
touch.back \'t*ch-.bak\ n : an act or instance in football of being in possession of the ball behind one's own goal line when the ball is declared dead after crossing the goal line as the result of an impetus given by an opponent
Webster's English Dictionarytouch.back \'t*ch-.bak\ n : an act or instance in football of being in possession of the ball behind one's own goal line when the ball is declared dead after crossing the goal line as the result of an impetus given by an opponent