Acetabulum
Acetabulum a Roman measure of capacity, fluid, and dry, equivalent to the Greek ὀξύβαφον. It was one-fourth of the hemina; and therefore one-eighth of the sextarius. It contained the weight in water of fifteen Attic drachmae. (Plin. Nat. 21.185.)
From William Smith (ed.), Dictionary of Greek and Roman Antiquities. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.