surface mail

1. 1.

   mail that is sent by land or sea

   Antonymsair mail

   Broadermail

Questions about surface mail

What does surface mail mean?

surface mail means "mail that is sent by land or sea".

What is the opposite of surface mail?

The recorded antonyms are air mail.

Is surface mail a common word?

surface mail is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.