also air port, "facility for commercial air transport," used regularly from 1919 (used once, by Alberto Santos-Dumont, in reference to airships, in 1902), from air (n.1) meaning "aircraft" + port (n.1). First reference is to Bader Field, outside Atlantic City, New Jersey, U.S., which opened in 1910. An older word for such a thing was aerodrome.
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