Definition of prefects:
(n) :
The head of a department in France.
(n) :
The head of a county in Albania or Romania.
(n) :
The head of a prefecture in Japan.
(n) :
(British) A school pupil in a position of power over other pupils.
(n) :
A commander.
(n) :
(historical) An official of Ancient Rome who controlled or superintended a particular command, charge, department, etc.