revetment
n 1: a barrier against explosives
2: a facing (usually masonry) that supports an embankment [syn:
{revetment}, {revetement}, {stone facing}]
Revetment \Re*vet"ment\, n. [F. rev[^e]tement the lining of a
ditch, fr. rev[^e]tir to clothe, L. revestire. See {Revest},
v. t.] (Fort. & Engin.)
A facing of wood, stone, or any other material, to sustain an
embankment when it receives a slope steeper than the natural
slope; also, a retaining wall. [Written also
{rev[^e]tement}.]
[1913 Webster]