The upper reaches of a mynster, holding the faces of a Great Clock and housing the Chronochasm. A large praesidium can also contain the offices for the heirarchs of a math, as well as supporting a starhenge on its uppermost surface. This article is a stub. You can help Anathem Wiki by expanding it. Retrieved from "https://anathem.fandom.com/wiki/Praesidium?oldid=4182" Categories: Article stubs Mathic Society Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.