post office

  1. the governmental department in charge of the mails
  2. an office or building where mail is sorted for distribution, postage stamps are sold, etc.
  3. ☆ a kissing game for young people in which one pretending to be postman gives out kisses instead of letters

See post office in American Heritage Dictionary 4

noun Abbr. PO
  1. The public department responsible for the transportation and delivery of the mails. Also called postal service.
  2. A local office where mail is received, sorted, and delivered, and where stamps and other postal materials are sold.
  3. A game in which kisses are exchanged for pretended letters.

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