Castellanus
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Castellanius, Castellarius. L. Lat. [from castellum, q. v.] In old English law. A castellain; the keeper, captain or constable of a castle. Spelman, voc.
Castellum.
Bract. fol.
363.
See Castellain. An officer of the forest.
Manwood, part 1, p. 113. Blount.