mail service

Noun mail service has 1 sense

• mail service(n = noun.communication) mail, post, postal service - the system whereby messages are transmitted via the post office; "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"
is a kind of communicating, communication
has particulars: airmail, airpost, snail mail, rfd, rural free delivery