revetments is a form of:

Revetment



noun
1.
(1. A facing, as of masonry, used to support an embankment. 2. A barricade against explosives) ខឿន, ឥដ្ឋរៀប, អោយបាក់, ថ្មរឺឈើសម្រាប់ពាស
verb
1.
(TRANSITIVE) ទប់ដីកុំអោយបាក់, ទប់ថ្មរឺឈើពាស
ENGLISH MEANING
noun
1.
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.