Tiara, tiaræ, f. g. vel Tiaras, tiaræ, m g. pen. prod. Vir. A round ornament for the head, which princes, priests, and womÊ of olde time ware in Persia.Phrygia tiara.Iuuen. Purpurea tiara. Ouid.Sacer tiaras Virg. Barbarus tiaras. Claud.
Lewis and Short: Latin dictionary
tĭāra, ae, f., or tĭāras, ae, m., = tia/ra or tia/ras,the head-dress of the Orientals, a turban, tiara: rectam capite tiaram gerens, Sen. Ben. 6, 31, 8: sceptrumque sacerque tiaras, Verg. A. 7, 247; cf. Plaut. Pers. 4, 2, 2; Ov. M. 11, 181; Val. Fl. 6, 700; Juv. 6, 516; 10, 267; Just. 1, 2, 3; App. M. 10, p. 253, 30.