(archaic) a noblewoman who is elder sister to another one in her family

airmail; postal transport by airplane.

an aircraft carrier

aircraft

air letter (letter sent by airmail)

air show (a public display of stunt flying, aerobatics, and historical aircraft)

airway (flight path used by aeroplanes)

airline (company that flies airplanes)

air ticket (a pass entitling the holder to travel in an aeroplane)

aerospace