rocklay
/ˈrɒklɪ/Definitions
1. verb
to lay or place rocks, especially on a slope or embankment, to prevent erosion or landslides.
“The hikers carefully rocklayed the steep hillside to ensure a safe passage.”
2. noun
a layer of rocks, especially one that has been artificially constructed to prevent erosion.
“The engineers designed a rocklay to stabilize the riverbank and prevent flooding.”