cubicus

τὸ ἐγδοχῖον τοῦ ὕδατος καὶ τὰ ἐν τῆι πόλει ὑδραγώγια → the water reservoir and the conduits in the city (or on the acropolis)

Latin > English (Lewis & Short)

cŭbĭcus: (cyb-), a, um, adj., = κυβικός,
I cubic, cubical: rationes, Vitr. 5, praef. 3: soliditas, Mart. Cap. 2, § 102.