air mail

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air mail

Wikipedia

• airmail

air mail (countable and uncountable, plural air mails)

1. Alternative form of airmail
   • 1942 November and December, “Railway Literature”, in Railway Magazine, page 383:

     Universal Directory of Railway Officials and Railway Year Book, 1942-1943. The Directory Publishing Co. Ltd., [...] Westminster, S.W.1. [...] Price 20s. net.—[...] The compilers have used the air mails to a greater extent than ever before, and so have the railway administrations in transmitting their replies.

air mail (third-person singular simple present air mails, present participle air mailing, simple past and past participle air mailed)

1. Alternative form of airmail