A pipe or tube supplying air or compressed air.

plural of air line

(engineering, construction) a hammer powered by compressed air

simple past tense and past participle of air-drop

present participle of air-drop

The transport of people and/or cargo by air

plural of Air Scout

(Scouting) A member of the international Scouting movement with a particular emphasis on aviation.

(Scouting) The collective activities of Air Scouts, members of the Scouting movement with a particular emphasis on aviation.

The action of playing imaginary drums, usually to accompany music that one is listening to.