In fortifications a trench cavalier is an elevation constructed (by the besieged) of gabions, fascines, earth, and the like, about half way up the glacis, in order to discover and enfilade the covered way. Found on http://www.probertencyclopaedia.com/browse/FT.HTM
In fortifications a trench cavalier is an elevation constructed (by the besieged) of gabions, fascines, earth, and the like, about half way up the glacis, in order to discover and enfilade the covered way.