AIRMAIL
Meaning of AIRMAIL in English
/ ˈeəmeɪl; NAmE ˈerm-/ noun
[ U ] the system of sending letters, etc. by air :
Send it airmail / by airmail.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005