airmail
Airmail (noun) means the system of sending mail by aircraft. Example: “Airmail cut the time it took for letters to cross the ocean.”
How to use airmail
Learner’s notesIn plain EnglishAirmail is post sent by aeroplane, and also the name for the system that does the sending.
It is a plain, everyday word, though it now sounds slightly dated since most fast post travels by air as a matter of course.
Airmail can be a noun for the mail itself or the system, and also a verb meaning to send something by air.
Trace the full origin ↓Fill the gap
Can you complete this real example?
_____ cut the time it took for letters to cross the ocean.
Etymology
Airmail is a straightforward English compound, formed simply by joining air and mail.