riprap
/ˈrɪpræp/
noun
- A layer of large stones or rocks placed on a slope or shoreline to prevent erosion from water or waves.
- The beach was reinforced with riprap after the storm damaged the dunes.
- Riprap is often used to protect bridge foundations from strong currents.
- The workers placed riprap along the riverbank to stop the soil from washing away.
verb
- To cover or strengthen a surface with a layer of large stones or rocks to prevent erosion.
- The city decided to riprap the shoreline to protect the park.
- The crew spent the summer riprapping the canal banks.
- They will riprap the slope behind the building to prevent landslides.