n. 背墙

parados \par"a*dos\ (p[a^]r"[.a]*d[o^]s), n.; pl. {Paradoses}
(p[a^]r"[.a]*d[o^]s*[e^]z). [F., fr. parer to defend + dos
back, L. dorsum.] (Fort.)
An intercepting mound, erected in any part of a fortification
to protect the defenders from a rear or ricochet fire; a
traverse. --Farrow.