What is "revetement"

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.]

n. a facing (usually masonry) that supports an embankment [syn: revetment, stone facing]