Low protective wall (7)
I believe the answer is:
parapet
(Other definitions for parapet that I've seen before include "balustrade" , "Rooftop wall" , "form of defence" , "part of castle" , "Militarily, it protects" .)
I believe the answer is:
parapet
(Other definitions for parapet that I've seen before include "balustrade" , "Rooftop wall" , "form of defence" , "part of castle" , "Militarily, it protects" .)