impluviumn.
/ɪmˈpl(j)uːvɪəm/ a. In ancient Roman houses, the square basin situated in the middle of the atrium or hall, which received the rainwater from the compluvium n. or open space in the roof. (But sometimes also used in the same sense as compluvium.)
ΘΚΠ
the world > the earth > water > lake > pool > [noun] > constructed reservoir > cistern
cisternessea1325
cistern1382
spurgelc1450
sestern1534
vault1552
reservoir1728
impluvium1823
well-cistern1869
feed-tank1886
1823 G. Crabb Universal Technol. Dict. (at cited word) The impulvium differs from the compluvium, according to Festus in this, that the rain falls down into the Impluvium, but collects from different parts of the roof into the Compluvium.
1832 W. Gell Pompeiana I. viii. 146 The atrium..with its impluvium near the centre, under which was a cistern.
1834 E. Bulwer-Lytton Last Days of Pompeii I. i. iii. 33 A square shallow reservoir for rain-water (classically termed impluvium).
1856 R. D. Blackmore Cradock Nowell (1881) vi. 21 Trouble overflowed the impluvium.
b. (See quot. 1811.)
ΚΠ
1811 R. Hooper Quincy's Lexicon-medicum (new ed.) Impluvium, the shower-bath. An embrocation.
This entry has not yet been fully updated (first published 1899; most recently modified version published online September 2020).
<
n.1811