Meaning of the word czar in English

What does czar mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

czar

US /zɑːr/
UK /zɑːr/

Noun

1.

an emperor of Russia before 1917

Example:
The last Russian czar was Nicholas II.
Many stories are told about the powerful Russian czars.
2.

a person with great authority or power in a particular field

Example:
He was appointed as the new drug czar.
The company's technology czar announced a new initiative.