noun. ['ˈɛrˌmeɪl'] a system of conveying mail by aircraft.
1. Noun, singular or mass In order to track registered airmail, you will need to have a tracking number. 2. Adjective Purchase an airmail envelope from the postal office.
verb. ['ˈɛrˌmeɪl'] send or transport by airmail.
noun. ['ˈɛrˌmeɪl'] letters and packages that are transported by aircraft.