How to pronounce tsar

1 : emperor specifically : the ruler of Russia until the 1917 revolution. 2 : one having great power or authority a banking czar.

Czar is a Russian word for ruler or emperor. Those kinds of czars are long gone, but we still use the word to describe people in charge of something important. Up until the early 20th century, the ruler in Russia was a man called a czar who had total power, like an emperor or dictator.