Look up: Riprap

1. 
   Riprap
   (1) Broken stones used for revetment, toe protection for BLUFFS, or structures exposed to wave action, foundations, etc. (2) Foundation of wall or stones placed together irregularly. (3) (SMP) A layer, facing or protective mound of stones placed to prevent EROSION, scour or sloughing of a structure or EMBANKMENT; also the stone so used.
   Found on http://www.csc.noaa.gov/text/glossary.ht
   
   
2. 
   riprap
   the top of a dam dike, spillway, or weir; frequently restricted to the overflow portion Category: Building industry • a layer of large uncoursed stones,broken rock or precast blocks placed in random fashion on the upstream slope of an embankment dam or on a reservoir shore or on the sides of a channel Category: Building industry • A layer of stones placed irregularly on a s...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. 
   Riprap
   Rip'rap` noun [ Confer Rap .] (Masonry) A foundation or sustaining wall of stones thrown together without order, as in deep water or on a soft bottom.
   Found on http://www.encyclo.co.uk/webster/R/85
   
   
4. 
   Riprap
   Rip'rap` transitive verb [ imperfect & past participle Riprapped ; present participle & verbal noun Riprapping .] To form a riprap in or upon .
   Found on http://www.encyclo.co.uk/webster/R/85
   
   
5. 
   Riprap
   `Riprap` (also known as `rip rap`, `rubble`, `revetment`, `shot rock` or `rock armour`) is rock or other material used to armor shorelines against water erosion. Riprap reduces water erosion by resisting the hydraulic attack and dissipating the energy of flowing water or waves. The shape of rock is important. Coarse, angular rock, usually made by crushing or blasting, or from scree, is more effective at ground reinforcement than round river rock....
   Found on http://en.wikipedia.org/wiki/Riprap
   
   
6. 
   Riprap
   • (n.) A foundation or sustaining wall of stones thrown together without order, as in deep water or on a soft bottom. • (v. t.) To form a riprap in or upon.
   Found on http://thinkexist.com/dictionary/meaning