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• post office
  post office

  noun

  an office or station of a government postal system at which mail is received and sorted, from which it is dispatched and distributed, and at which stamps are sold or other services rendered. PO, P.O.
• Post Office
  Post Office

  noun

  a government department or authority in many countries responsible for postal services and often telecommunications

post office

American  

[pohst aw-fis, of-is] / ˈpoʊst ˌɔ fɪs, ˌɒf ɪs /

noun

post offices plural

1. an office or station of a government postal system at which mail is received and sorted, from which it is dispatched and distributed, and at which stamps are sold or other services rendered. PO, P.O.

2. Often Post Office the department of a government charged with the transportation of mail.

3. an old-fashioned game in which one player is designated “postmaster” or “postmistress” and calls another player of a different gender into an adjoining room, ostensibly to receive a letter but actually to receive a kiss.

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Post Office ¹ British  

noun

1. a government department or authority in many countries responsible for postal services and often telecommunications

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post office ² British  

noun

1. a building or room where postage stamps are sold and other postal business is conducted

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Other Word Forms

Derived Forms

• post-office
  adjective

Inflected Forms

Nouns

• post offices
  plural

Etymology

Origin of post office

First recorded in 1645–55

Example Sentences

The vehicle was searched and a post office uniform was found in the rear.

From BBC • Jul. 1, 2026

The court heard that at 09:45, a post office van arrived at the gates with a man dressed in post office uniform which said "priority services Belfast".

From BBC • Jul. 1, 2026

She had been working for the post office when an arm injury made it difficult for her to deliver mail.

From The Wall Street Journal • Jun. 30, 2026

A metal gate blocked the entrance to the post office, and two encampments had sprung up.

From Los Angeles Times • Jun. 30, 2026

So then the Herdmans weren’t allowed in the post office or the Sunoco station, and they got thrown out of the new Laundromat the very day it opened.

From "The Best School Year Ever" by Barbara Robinson

Related Words

• postal service