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Webster 1913 Edition
Impluvium
‖
Im-plu′vi-um
,Noun.
[L., fr.
impluere
to rain into; pref. im-
in + pluere
to rain.] (Arch.)
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.