Posting house

from The Collaborative International Dictionary of English v.0.48

Posting \Post"ing\, n.
   1. The act of traveling post.
      [1913 Webster]

   2. (Bookkeeping) The act of transferring an account, as from
      the journal to the ledger.
      [1913 Webster]

   {Posting house}, a post house.
      [1913 Webster]