Surface mail
-
a way of sending letters, parcels, etc. by road, sea, or train and not by aircraft, or things sent in this way:
Surface mail meaning & definition 1 of Surface mail.
-
the service in which letters, packages, etc., are sent by road, ship, or train, rather than by plane, or mail that is sent in this way:
Surface mail meaning & definition 2 of Surface mail.
