colluviarium

== English == === Etymology === From New Latin colluviarium, from Latin colluviēs (“filth, dregs”) +‎ -arium. === Noun === colluviarium (plural colluviaria) Openings for ventilation in Ancient Roman aqueducts. ==== References ==== “colluviarium”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000. Farlex, Inc (2025), “colluviarium”, in The Free Dictionary by Farlex‎[2]