[L. = Gr. κίδαρις, κίταρις; of Semitic origin = Heb. kether, (Persian) crown, diadem.] The royal tiara, or cap of state of the ancient Persians.
1658. Ussher, Ann., VI. 145. And whether he would or no, set the Cidaris … upon his head.
1840. Thirlwall, Greece, VII. lv. 72. Baryaxes had assumed the erect cidaris, and the title of king of the Medes and Persians.
