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riprap

[rip-rap]
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noun
  1. a quantity of broken stone for foundations, revetments of embankments, etc.
  2. a foundation or wall of stones thrown together irregularly.
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verb (used with object), rip·rapped, rip·rap·ping.
  1. 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. 2018

Examples from the Web for riprap

Historical Examples

  • Riprap holds dissolving banks, and overhanging trees are cut away.

    Old Times on the Upper Mississippi

    George Byron Merrick

  • The riprap was merely a skin on each face, with loose spawls mixed with the earth.

  • The shore below the landing is a line of broken, ragged, slimy rocks, as if they had been dumped there for a riprap wall.

    Their Pilgrimage

    Charles Dudley Warner

  • The outer slope is protected with riprap, composed of large bowlders.