- a foundation or wall made of large chunks of stone thrown together irregularly or loosely, as in water or on a soft bottom
- chunks of stone used for this
Origin of riprapechoic reduplicated, reduplication of rap
transitive verb-·rapped·, -·rap·ping
- to make a riprap in or on
- to strengthen with riprap
- Piled broken stones used as a foundation or to stabilize an easily eroded bank or slope.
- An assemblage of such broken stones.
transitive verbrip·rapped, rip·rap·ping, rip·raps
- To construct a riprap in or on.
- To strengthen with a riprap.
Origin of riprapReduplication of rap 1
(third-person singular simple present ripraps, present participle riprapping, simple past and past participle riprapped)
- To form a riprap in or upon.
Apparently a reduplication (with vowel dissimilation) of rap (“blow, stroke").