praefectus

Literally, the one who stands in front of others. this was originally used as a military title, where someone put at the front was a senior officer. It became a general term used for the holders of different ranks in the military, as could be seen in these examples: - praefectus alae - the prefect of the wing was the commander of one of the cavalry…...

Praefectus

Senior officer.
Found on http://www.encyclo.co.uk/local/20764
No exact match found