touch·down 
/ˈtʌtʃˌdaʊn/ noun
plural touch·downs /ˈtʌtʃˌdaʊn/ noun 1 [count] American football : a score that is made by carrying the ball over the opponent's goal line or by catching the ball while standing in the end zone
▪ He scored a touchdown. ▪ The quarterback threw a touchdown (pass) to the wide receiver. ▪ They won the game by a touchdown. [=by seven points] ◊A touchdown is worth six points and is usually followed by a kick that is worth another point. 2 [count] rugby : the act of scoring points by putting the ball on the ground behind an opponent's goal line 3 [count, noncount] : the moment when an airplane or spacecraft touches the ground at the end of a flight
▪ What was the plane's speed at touchdown?
▪ He scored a touchdown. ▪ The quarterback threw a touchdown (pass) to the wide receiver. ▪ They won the game by a touchdown. [=by seven points] ◊A touchdown is worth six points and is usually followed by a kick that is worth another point.
▪ What was the plane's speed at touchdown?
— see also touch down at 1touch
