A filter for removing dust and other particles from a stream of air, typically used in the air intake of an internal combustion engine, the output of an air compressor, the supply duct of a forced-air furnace, etc.

A machine for generating compressed air, typically for use by air-powered tools or paint sprayers.

simple past tense and past participle of air-freight

present participle of air-freight

Third-person singular simple present indicative form of air-freight

To ship cargo by the use of aircraft.

The right to build over an existing property. / The right to fly an aircraft over a certain territory.

(military) An attack on a ground or naval target by one or more aircraft or missiles.

plural of Air Marshal

(military) The military air force of a particular armed forces. / (US, military, politics) Ellipsis of United States Air Force.