Writer Aldous Huxley was similarly inspired, and wrote of vomitoriums as literal places to vomit in his 1923 novel «Antic Hay.» (scientificamerican.com)
Keeper Shelf is the more practical cousin of this term and refers to the metaphorical or literal place where one's favorite, eternally re-readable books are stored. (bookpage.com)
But it's possible that this «Valley Beyond» is a literal place, and that all the hosts are coded to know about it. (businessinsider.com)