Definitions for "Impluvium"
In Roman dwellings, a cistern or tank, set in the atrium or peristyle to recieve the water from the roof, by means of the compluvium; generally made ornamental with flowers and works of art around its birm.
(Latin) in a Roman house, a basin built into the floor of the atrium that collected rain from the compluvium, or quadrangular skylight towards which the roof sloped that served as a source of light and air. Roman Living
shallow pond in floor of atrium to catch rainwater; located directly beneath the compluvium.