post office(redirected from drop letter)
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post office:see postal servicepostal service,
arrangements made by a government for the transmission of letters, packages, and periodicals, and for related services. Early courier systems for government use were organized in the Persian Empire under Cyrus, in the Roman Empire, and in medieval Europe.
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An office or building where letters and parcels are received and sorted, and from where they are distributed and then dispatched to various destinations.
post office[′pōst ‚ȯf·əs]
The software and files in an electronic mail system that receive messages and deliver them to recipients.
An office or building where letters and parcels are received and sorted, and from where they are distributed and dispatched to various destinations.
a government department or authority in many countries responsible for postal services and often telecommunications