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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

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

• post-office
  adjective

Etymology

Origin of post office

First recorded in 1645–55

Example Sentences

Patients who had signed off on the two-drug treatment but whose pills hadn’t yet reached the post office had to be recontacted to consent to receiving misoprostol alone and reeducated on how to use it.

From Slate • May 18, 2026

If mailing your ballot on election day, officials say to get a hand-stamped postmark from a postal employee inside the post office.

From Los Angeles Times • May 1, 2026

The new government did what it could to make communications more efficient, like establishing a reliable post office.

From The Wall Street Journal • Apr. 26, 2026

Seema Misra who ran a post office in West Byfleet, Surrey, was wrongly sent to prison while pregnant during the IT scandal.

From BBC • Apr. 24, 2026

They came not only from the War Department, but also from the Navy, the State Department, the Justice Department, and even the post office.

From "The Woman All Spies Fear" by Amy Butler Greenfield

Related Words

• postal service