Definitions

1. noun

The area of the sky that aeronautical vehicles, such as airplanes, are allowed to occupy.

“The pilots had to navigate through a busy airspace to reach their destination.”

2. noun

The area of the sky that is available for flying or air travel.

“The new airspace regulations will affect all commercial airlines.”

3. noun

The volume of air that a machine or device takes in and uses for a particular operation.

“The pump’s airflow was restricted by the narrow airspace within the device.”