tzar
noun/zɑː(r)/
/zɑːr/
(also tsar, czar)
- the emperor of Russia in the past
（旧时俄国的）沙皇 - (in compounds) (informal) an official whose job is to advise the government on policy in a particular area
（在某领域向政府提供有关政策的建议的）政府顾问，政府高级官员