tentorium

== English == === Etymology === Early 19th century: from Latin tentorium, literally ‘tent’. === Noun === tentorium (plural tentoria or tentoriums) The framework of internal supports (a false endoskeleton) within an arthropod head, formed by ingrowths of the exoskeleton called apophyses. (anatomy) The tentorium cerebelli, an extension of the dura mater that separates the cerebellum from the inferior portion of the occipital lobes. ==== Derived terms ==== tentorial == Latin == === Etymology === From tendō (“to stretch out, to spread out”) +‎ -tōrium (suffix forming nouns denoting places or instruments). === Noun === tentōrium n (genitive tentōriī or tentōrī); second declension tent Synonym: tabernaculum ==== Declension ==== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). === References === “tentorium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “tentorium”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers "tentorium", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887) “tentorium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. “tentorium”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers