heliotropium

== Latin == === Etymology === From Ancient Greek ἡλιοτρόπιον (hēliotrópion). === Noun === hēliotropium n (genitive hēliotropiī or hēliotropī); second declension heliotrope (plant, stone) ==== Declension ==== Second-declension noun (neuter). 1Found in older Latin (until the Augustan Age). === References === “heliotropium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press “heliotropium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.