touchdownPronunciation: /ˈtʌtʃdaʊn/Translate touchdown | into French | into German | into Italian | into Spanish Definition of touchdown noun 1the moment at which an aircraft’s wheels or part of a spacecraft make contact with the ground during landing:two hours until touchdown 2 Rugby an act of touching the ground with the ball behind the opponents' goal line, scoring a try: he scored two touchdowns American Football a six-point score made by carrying or passing the ball into the end zone of the opposing side. touchdown in other Oxford dictionaries Definition of touchdown in the US English dictionary