from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A low basin in the center of a household atrium, into which rainwater flowed down from the roof through the compluvium.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. In ancient Roman houses, a basin to receive the rain-water, situated in the middle of the atrium or hall, below the compluvium or open space in the roof. See atrium and compluvium.
- n. Same as compluvium.
Latin impluvium, from impluit ("rains upon") (Wiktionary)