English

Definition of surface mail noun from the Oxford Advanced Learner's Dictionary

 

surface mail

 noun
noun
BrE BrE//ˈsɜːfɪs meɪl//
 
; NAmE NAmE//ˈsɜːrfɪs meɪl//
 
[uncountable]
 
jump to other results
letters, etc. carried by road, rail or sea, not by air
See the Oxford Advanced American Dictionary entry: surface mail