Definition of "posthouse" [post•house]

• A house established for the convenience of the post, where relays of horses can be obtained. (noun)
• A building for distributing mail; a post office. (noun)

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• "Said my master, Did you send your letter away to the posthouse, my good girl, for your father?"
• "My, next to either you or Mr. Harte will be directed to Berlin; but as I do not know to what house or street there, I suppose it will remain at the posthouse till you send for it."
• "Remains of a small posthouse for travelers, misnamed Puca Pucara or Red Fort, lie six kilometers beyond Qenco."