Castellan

Chambers's Encyclopaedia, Volume 2: Beaugency to Cataract, p. 814

Castellan, or CHÂTELAÏN, the keeper of a castle in the middle ages. His office and rank varied in various countries. In France and Flanders, the title castellan belonged to the holders of certain demesnes, and was next in order of rank to that of a bailiff.

Source scan(s): p. 0831