Wiktionary
n. A delivery of goods or equipment by dropping from an aircraft in flight. vb. To deliver goods or equipment by dropping from an aircraft in flight.
WordNet
v. drop from the air; unload from a plane or helicopter
Usage examples of "air-drop".
We don't think the airfield is big enough to land fighters or transports, but if they can air-drop armor and artillery pieces there, Davao has had it.
Slippery's attention was devoted to confusing and obstructing the small infantry group that had been air-dropped into the Arcata region just before the government lost all control.
Now, it would be fine if, by way of a bonus, you could discover why eighty per cent of our air-drops fall into German hands, fine if you could locate and rescue our captured mission leaders.