Chamber in architectural susage, is a room or apartment, distinguished from the hall, chapel, etc. The great chamber usually adjoined, or was contiguous to, the hall, and answered to the modern drawing-room, or withdrawing-room. The camera of an abbot or prior means his suite of lodgings in. the establishment. The guest chamber was usually over the buttery and pantry, at the lower end of the hall, in a medieval house, and in monasteries near the entrance. In some instances there was a separate hall called the Guesten-hall, as at Worcester.