Definition of "post office" [post• of•fice]

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

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "IN RESPONSE TO MY Postcard with a view of Novy Svet, my mother sends a letter to the local post office marked “general delivery.”"
• "If you should decide to visit Donegal, just ask at the post office in Glencolumbkille and they will direct you to this house."
• "The post office was well organized by Postmaster-General Nagler."