A prefect is a chief officer or magistrate, originally in ancient Rome.

Like a mayor or governor, a prefect is someone powerful: a chief officer or chief magistrate. In ancient Rome, a prefect was not only in charge of a city or province but of the military too, just as the United States President is the military commander-in-chief too. The term prefect is a little old-fashioned, but there are still prefects around today.

Definitions of prefect
  1. noun
    a chief officer or chief magistrate
    “the prefect of Paris police”
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    type of:
    administrator, executive
    someone who manages a government agency or department
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