Définitions
1.NounAn official of Ancient Rome who controlled or superintended a particular command, charge, department, etc."the prefect of the aqueducts; the prefect of a camp, of a fleet, of the city guard, or of provisions; the pretorian prefect, who was commander of the troops guarding the emperor's person"
2.NounThe head of a department in France.
3.NounThe head of a county in Albania or Romania.
4.NounThe head of a prefecture in Japan.
5.NounA school pupil in a position of power over other pupils.
6.NounA commander.