protectorate
/prəʊˈtektərət/noun
1
- a state that is controlled and protected by another受保护国。
1.1
- the relationship between a state of this kind and the one that controls it（国与国之间的）保护关系：
a French protectorate had been established over Tunis.
建立了法国对突尼斯的保护关系。
2
- （一般作Protectorate）historical the position or period of office of a Protector, especially that in England of Oliver and Richard Cromwell〈史〉护国公职位, 护国时期（尤指英国奥利弗·克伦威尔和理查德·克伦威尔时期）。