Pronunciation: (âr'māl"), [key]
1. the system, esp. a government postal system, of sending mail by airplane.
2. a letter, package, etc., sent by this system.
3. a stamp authorizing delivery of mail by this system.
of or pertaining to airmail.
by airmail: Send all overseas letters airmail.
to send via airmail: I airmailed the package yesterday. Also,air'-mail".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.