Meaning of riprap | Babel Free

Definitions

1. An underwater bank seen as a danger to shipping.
   countable, uncountable
2. Rocks or other materials used to shore up an embankment, deter or prevent erosion, guide shipping, or serve as a temporary mooring.
   Canada, US, countable, uncountable

Examples

“They hold on, spray flying, the ceaseless racket of water impacting on rock all but swallowing them, the river pitching dizzily, snags and riprap raking like claws at the bottom of the boat.”

CEFR level