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countable and uncountable, plural ripraps
An underwater bank seen as a danger to shipping. quotations 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.
1982, TC Boyle, Water Music, Penguin, published 2006, page 423
(chiefly Canada, US) Rocks or other materials used to shore up an embankment, deter or prevent erosion, guide shipping, or serve as a temporary mooring. examples
third-person singular simple present ripraps, present participle riprapping, simple past and past participle riprapped
To form a riprap in or upon. examples