Castleguard
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In feudal law. An imposition anciently laid upon such persons as lived within a certain distance of any castle, towards the maintenance of such as watched and warded the castle.
— Castleguard rents. In old English law. Rents paid by those that dwelt within the precincts of a castle, towards the maintenance of such as watched and warded it.