1864, originally in rugby, where the ball is literally touched down on the other side of the goal, from verbal phrase (by 1859 in sports), from touch (v.) + down (adv.). As "landing of an aircraf [..]

(n) a score in American football; being in possession of the ball across the opponents' goal line(n) a landing (as the wheels touch the landing field); especially of airplanes

Synonym of landing. May also refer to a stopover that does not involve a change of aircraft or flight.

Cheerleading motion where both arms are held directly overhead, tight against the head/ears. Hands have palms facing each other, pinky side out.

Synonym of landing.

The moment during landing where the wheels touch the runway. The expression is also used to indicate the geographic area on the runway where the wheels first touch the runway.

The most valuable score in American football, worth six points. A touchdown is scored when a player takes the ball across the other team’s goal line or when he catches the ball in the opponent’s end zone. Despite the term ‘touchdown’ the player does not have to touch the ball down to score six points.

Synonym of landing. May also refer to a stopover that does not involve a change of aircraft or flight.