epistomium

== Latin == === Etymology === From epistomis (“ἐπιστομίς, twitch”) +‎ -ium. === Pronunciation === (Classical Latin) IPA(key): [ɛ.pɪsˈtɔ.mi.ũː] (modern Italianate Ecclesiastical) IPA(key): [e.pisˈtɔː.mi.um] === Noun === epistomium n (genitive epistomiī or epistomī); second declension a plug or instrument by which an aperture could be opened or closed a cock or faucet of a water pipe. a vent (music) an organ register ==== Declension ==== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). ==== Synonyms ==== epitonium, vertibulum, verticillum – water faucet clavis, versatilis – barrel faucet spiraculum