The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]