1. Elevated gallery in a church from which the monks could watch over a holy shrine, e.g. the beautiful surviving timber example in St Alban's Cathedral, Herts. (early C15).
2. Place from which monks could be summoned to the services, appropriately called excubitorium.
F. Bond (1908a);
"watching-chamber." A Dictionary of Architecture and Landscape Architecture. . Encyclopedia.com. (December 18, 2018). https://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/watching-chamber
"watching-chamber." A Dictionary of Architecture and Landscape Architecture. . Retrieved December 18, 2018 from Encyclopedia.com: https://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/watching-chamber