revetment

n. embankment, large mound or wall used to as a levee or supporting wall; cement or stone facing of an embankment

Revetments are structures placed on banks or cliffs in such a way as to absorb the energy of incoming water or explosives. They are usually built to preserve the existing uses of the shoreline and to protect the slope, as defense against bombs or artillery, or to secure an area from stored explosives.
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Noun
1. a barrier against explosives
(hypernym) barrier
2. a facing (usually masonry) that supports an embankment
(synonym) revetement, stone facing
(hypernym) facing, cladding
(part-holonym) embankment
(derivation) revet

(v. t.)
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.
  

revetment /ri'vetmənt/
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