Compluvium
COMPLUVIUM (from Lat. compluere, to flow together, i.e. in reference to the rain being collected and falling through), in architecture, the Latin term for the open space left in the roof of the atrium of a Roman house for lighting it and the rooms round (see Cavaedium).
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
