a jewelled crown or headband worn as a symbol of sovereignty 王冠,冕;(象征王权的)头带 ■(the diadem)(archaic)the authority or dignity symbolized by a diadem (古)(王冠或头带代表的)王权(或王的尊严) the princely diadem. 高贵的王权。
派生 diademed adjective 语源
Middle English: from Old French diademe, via Latin from Greek diadēma the regal headband of the Persian kings', from diadein 'bind round'