Castellain
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
[Fr. chastellain, castelein; L. Lat. castellanus, castellarius, qq. v.] In old English law. The keeper or captain of a castle or fortified house, (praefectus castri,) acting as, or for its owner, (domini vices ibidem agens.) Spelman, voc.
Castellum
The constable of a castle. Id. Bract. fol.
363, 69 b. 2 Inst. 31.
Termes de la ley.
Blount.