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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

Derived 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

She said cheques were still "used a great deal" and she still processed them regularly, but the change in January had reduced "the facilities available to customers by taking away the post office element".

From BBC • May 14, 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

She was a retired former post office worker living in one of the poorest districts in the country near Hungary’s eastern border with Romania.

From The Wall Street Journal • Apr. 13, 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