WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a facing (usually masonry) that supports an embankment
Word Usage
"Moslem lieu commun; usually man is likened to one suspended in a bottomless well by a thin rope at which a rodent is continually gnawing and who amuses himself in licking a few drops of honey left by bees on the revetement."