(American football, Canadian football) A six-point score occurring when the ball enters possession of a team's player in the opponent's end zone. Analogous to a try in rugby.Today I scored my first touchdown.
(aviation) The moment when an aircraft or spacecraft makes first or final contact with the ground during a landing.The passengers audibly relaxed at touchdown.
2011, February 13, Lyle Jackson, Ireland 22-25 France, A first Test try by Fergus McFadden and a Tomas O'Leary touchdown helped Ireland to a 15-12 half-time lead.
