sextans

== English == === Etymology === From Latin sextāns, from sex (“six”). === Noun === sextans (plural sextantes) (Ancient Rome) A Roman coin worth one sixth of an as. === References === “sextans”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. == Latin == === Etymology === By surface analysis, sex (“six”) +‎ -āns. According to the linguist Albio Cassio, it is more probably a calque of Ancient Greek ἑξᾶς (hexâs), though the Greek forms are more often explained as borrowings from the Latin. === Pronunciation === (Classical Latin) IPA(key): [ˈsɛk.stãːs] (modern Italianate Ecclesiastical) IPA(key): [ˈsɛk.stans] === Noun === sextāns m (genitive sextantis); third declension a sixth, particularly (historical numismatics) sextans, a coin worth 1/6 as (historical) sextans, a unit of mass equal to 1/6 libra (Roman pound) or 2 uncia (Roman ounce), about 55 g (historical) sextans, a unit of area equal to 1/6 juger or 1/3 actus, equivalent to a rectangle with sides of 120×40 pedes (Roman feet), about 420 m² (historical) sextans, a unit of volume equal to 1/6 sextarius or 1/36 congius, about 90 mL (historical) sextans, a unit of length equal to 1/6 pes (Roman foot) or 2 uncia (Roman inch), about 5 cm (mathematics) synonym of unus, one, 1/6 of the perfect number six (New Latin, nautical) sextant, a nautical instrument with a sector of 1/6 circle (60°) ==== Declension ==== Third-declension noun (i-stem). ==== Derived terms ==== ==== Related terms ==== sextānī sextārius dēxtāns (“five-sixths”) ==== Descendants ==== Russian: секстан (sekstan), секстант (sekstant) ==== See also ==== octāns quadrāns === References === “sextans”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “sextans”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers “sextans”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. “sextans”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers “sextans”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin