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' • Syn: mail, mail service, post • Derivationally related forms: postal (for: post), post (for: post), mail (for: mail) • Hypernyms: communication, communicating • Hyponyms: airmail, airpost, snail mail, rural free delivery, RFD
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