posthouse

Noun

posthouse (plural posthouses)

1. A company that carries out post-production.
   • Slow motion, fades, wipes, and text — once only affordable for major broadcasters and posthouses — now allowed DIY video producers a more polished, professional look.2013, Jesse Drew, A Social History of Contemporary Democratic Media, page 57
2. (historical) A house at a staging post: an inn with a stable where relays of horses could be changed, for stagecoaches or the mails.
   • At each mile there are little guardhouses, where a policeman is stationed; and there is a wooden gong, which by means of concerted signals may be made to convey information over the country with great rapidity. About every six or seven miles is the post-house, where the horses are changed as...1869, Alfred Russel Wallace, The Malay Archipelago, volume I, London: Macmillan and Co., page 157

   Synonyms:

   posting house

3. (obsolete) A building for distributing mail; a post office.