the special clothes that are worn or objects that are carried at official ceremonies (正式场合上的)特别服饰,特别物品 a portrait of the queen in full regalia 穿着华丽礼服的女王画像
Word Originmid 16th cent. (in the sense ‘royal powers’): from medieval Latin, literally ‘royal privileges’, from Latin, neuter plural of regalis ‘regal’.