meteōrum n (genitive meteōrī); second declension
Second declension.
From the Ancient Greek μετέωρον (metéōron), from μετέωρος (metéōros, “raised from the ground, hanging, lofty”), from μετά (metá, “in the midst of, among, between”) + ἀείρω (aeírō, “to lift, to heave, to raise up”).