From Longman Dictionary of Contemporary Englishtouchdowntouch‧down /ˈtʌtʃdaʊn/ ●○○ noun [countable] 1 TTATTSthe moment at which a plane or spacecraft lands2 DSOan act of putting the ball down on the ground behind the opposing team’s goal line in rugby3 DSOan act of moving the ball across the opposing team’s goal line in American football
Examples from the Corpus
touchdown• Airport officials said there had been no hint of trouble until radio contact was suddenly lost three minutes from touchdown.• Bernard Ford scored their only touchdown in the fourth quarter.• The Raiders have not had a rushing touchdown since Williams scored against Dallas on Nov. 19,1995.• Fast players stretch the 80-yard field, allowing for quick-strike touchdowns.• John went in for the touchdown, and we won the game.• Troy Aikman threw two touchdown passes in their 16-10 defeat of the Phoenix Cardinals.• Williams promptly hit James Jett on a halfback pass, for an 18-yard touchdown. 