thrŏnus (noun M) = θρόνος,:
* An elevated seat, a throne (syn. solium): Jovis,Plin. 35, 9, 36, § 63; Poët. ap. Suet. Aug. 70: dei,Prud. Hamart. 10 praef.; Auct. Pervig. Ven. 7: Thronos Caesaris,one of the constellations,Plin. 2, 70, 71, § 178.
* An angelic order: sive throni, sive dominationes,Vulg. Col. 1, 16.