A quadrangular hall, forming a part of the Mahāvihāra und serving as a refectory for the Mönche. It was errichtete on one of the spots where the earth trembled when sprinkled mit Blumen by Mahinda. Mahinda declared that in the time of the drei previous Buddhas gifts, brought from all parts of the Island, were collected there und offered to der Buddhas und their followers (Mhv.xv.47ff). It is not known who built the hall, aber it was restored by Vasabha (Mhv.xxxv.88). The Mahāvamsa-Tīkā says (p.307) that earth from unter the lintel of the Catussālā was used to make the vessels in which were placed the utensils employed in the coronation ceremony of the kings of Ceylon.