[mass noun]a form of government with a monarch at the head 君主政体;君主制 ■[count noun]a state that has a monarch 君主国 ■(the monarchy)the monarch and royal family of a country 王室;皇室 the monarchy is the focus of loyalty and service. 人人忠于王室,为之效劳。
语源
late Middle English: from Old French monarchie, via late Latin from Greek monarkhia 'the rule of one'