Answer: riprap

AnswerCrossword Clue
RIPRAPBroken stones used in foundations
riprapto construct with or strengthen by stones, either loose or fastened with mortar
riprapfoundation or wall of stones thrown together irregularly
riprapto strengthen with a foundation of broken stones
riprapquantity of broken stone for foundations, revetments of embankments, etc.
RIPRAPBroken rock used on shorelines
RIPRAPRocks and stones used in a foundation
RIPRAPShoreline protection
RIPRAPFoundation of broken stones
RIPRAPLoose stone used for foundations
RIPRAPBroken rock used in foundations
RIPRAPWall of stones
RIPRAPStone wall.
RIPRAPWall of broken stone.
RIPRAPBroken stones used in roads.
RIPRAPStone wall
RIPRAPStone foundation
RIPRAPBroken stones as a foundation
RIPRAPCrushed rock used in foundations
RIPRAPRock used to slow erosion