1
: a foundation or sustaining wall of stones or chunks of concrete thrown together without order (as in deep water)
also
: a layer of this or similar material on an embankment slope to prevent erosion
2
: material used for riprap
riprapped; riprapping; ripraps
Examples of riprap in a Sentence
Recent Examples on the Web
Phil Diehl, San Diego Union-Tribune, 9 Sep. 2025
But the Corps did not consider any other methods other than riprap, according to the lawsuit filed Thursday by the Save the American River Association, American River Trees organization and the Center for Biological Diversity in Eastern District of California.
—Ishani Desai, Sacbee.com, 27 Aug. 2025
Steve Price, Field & Stream, 14 Mar. 2023
See All Example Sentences for riprap
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Noun
The latest round of emergency work began with the repair and replacement of boulder riprap from April through June.
—Phil Diehl, San Diego Union-Tribune, 9 Sep. 2025
But the Corps did not consider any other methods other than riprap, according to the lawsuit filed Thursday by the Save the American River Association, American River Trees organization and the Center for Biological Diversity in Eastern District of California.
—Ishani Desai, Sacbee.com, 27 Aug. 2025
Verb
Crank rocks and riprap for staging bass.
—Steve Price, Field & Stream, 14 Mar. 2023
See All Example Sentences for riprap
Cite this Entry
“Riprap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/riprap. Accessed 3 Nov. 2025.
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