Learner's definition of LANDING
1 : an act of returning to the ground or another surface after a flight
The plane made a smooth/perfect landing.
The helicopter had to make an emergency landing.
The pilot was practicing takeoffs and landings.
a lunar/moon landing [=a landing on the moon]
[noncount] — often used before another noun
2 [count] : a level area at the top of stairs or between two sets of stairs 3 [count] : a place where boats and ships load and unload passengers and cargo 4 [count] : a military action in which soldiers are brought by boat, airplane, helicopter, etc., to land at a place controlled by the enemy