flying

(flīˈĭng)

1. Of or relating to aviation: a flying time of three hours between cities.
2. Capable of or engaged in flight: The bat is a flying mammal.
3. Situated, extending, or functioning in the air: a flying deck.
4. a. Swiftly moving; fleet: played the difficult passage with flying fingers.
   b. Done or performed swiftly in or as if in the air: crossed the goal line with a flying leap.
5. Brief; hurried: made a flying visit to the neighbors' house; took a flying glance at the report.
6. Capable of swift deployment or response; extremely mobile.
7. Nautical Not secured by spars or stays. Used of a sail.

1. Flight in an aircraft or spacecraft.
2. The piloting or navigation of an aircraft or spacecraft.