mail service

Thesaurus

Noun

1.

mail 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'"postal service, mail, postcommunicating, communication - the activity of communicating; the activity of conveying information; "they could not act without official communication from Moscow"airpost, airmail - a system of conveying mail by aircraftsnail mail - any mail that is physically delivered by the postal service; "email is much faster than snail mail"RFD, rural free delivery - free government delivery of mail in outlying country areas