the system, especially a government postal system, of sending mail by airplane.
a letter, package, etc., sent by this system.
a stamp authorizing delivery of mail by this system.
of or relating to airmail.
by airmail: Send all overseas letters airmail.
verb (used with object)
to send via airmail: I airmailed the package yesterday.
Origin of airmail
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the system of conveying mail by aircraft
mail conveyed by aircraft
of, used for, or concerned with airmail
(tr) to send by airmail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper