rip-rap or riprap /ripˈrap/

1. Loose broken stones, used to form a foundation on soft ground or under water, or in the construction of revetments and embankments
2. A foundation formed of these

• droit des gens
• droit de suite
• droit du seigneur
• droits
• droll
• drolled
• droller
• drolleries
• drollery
• drollest
• drolling
• drollings
• drollish
• drollness
• drollnesses
• drolls
• drolly
• drome
• dromedare
• dromedaries
• dromedary
• dromes
• dromic
• dromical
• dromoi