Riprap Definition

rĭprăp
riprapped, riprapping, ripraps
noun
A foundation or wall made of large chunks of stone thrown together irregularly or loosely, as in water or on a soft bottom.
Webster's New World
Chunks of stone used for this.
Webster's New World

An underwater bank seen as a danger to shipping.

Wiktionary

(chiefly North America) Rocks or other materials used to shore up an embankment, deter or prevent erosion, guide shipping, or serve as a temporary mooring.

Wiktionary
verb
To make a riprap in or on.
Webster's New World
To strengthen with riprap.
Webster's New World
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Other Word Forms of Riprap

Noun

Singular:
riprap
Plural:
ripraps

Origin of Riprap

  • Apparently a reduplication (with vowel dissimilation) of rap (“blow, stroke").

    From Wiktionary

  • Reduplication of rap

    From American Heritage Dictionary of the English Language, 5th Edition

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