thumb|300px|A domus, with impluvium numbered 7
thumb|300px|A domus, with impluvium numbered 7
The impluvium (: impluvia) is a water-catchment pool system meant to capture rain-water flowing from the compluvium, an area of roof. Often placed in a courtyard, under an opening in the roof, and thus "inside", instead of "outside", a building, it is a notable feature in many architectural traditions.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).