riprap
[ rip-rap ]
/ ˈrɪpˌræp /
noun
a quantity of broken stone for foundations, revetments of embankments, etc.
a foundation or wall of stones thrown together irregularly.
verb (used with object), rip·rapped, rip·rap·ping.
to construct with or strengthen by stones, either loose or fastened with mortar.
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Origin of riprap
First recorded in 1570–80; gradational reduplication of rap1
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for riprap
When the shield had traveled 25 ft. through the rip-rap, the piles which support the bulkhead were met.
Want to rip-rap the outer edge of this water hole, so the bank will not cave in and undo all our work!
The Pony Rider Boys in New Mexico|Frank Gee PatchinThe heavy masonry bulkhead was supported on piles and rip-rap, as shown in Fig. 18.
British Dictionary definitions for riprap
rip-rap
noun
civil engineering broken stones loosely deposited in water or on a soft bottom to provide a foundation and protect a riverbed or river banks from scour: used for revetments, embankments, breakwaters, etc
Word Origin for rip-rap
C19: reduplication of rap 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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