riprap


1rip·rap

noun \ˈrip-ˌrap\

Definition of RIPRAP

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

Origin of RIPRAP

obsolete riprap sound of rapping
First Known Use: 1833

2riprap

verb

Definition of RIPRAP

transitive verb
1
:  to form a riprap in or upon
2
:  to strengthen or support with a riprap

First Known Use of RIPRAP

1848

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