touchdown

About 0.56 uses per million words.

Meaning

noun A six-point score occurring when the ball enters possession of a team's player in the opponent's end zone.
Today I scored my first touchdown.
noun A defensive action of grounding the ball in the team's own in-goal to stop the play.
noun A try (scoring play of grounding the ball in the opposing team's in-goal).
noun The moment when an aircraft or spacecraft makes first or final contact with the ground during a landing.
The passengers audibly relaxed at touchdown.
noun The moment of contact of a tornado with the ground.