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Definition of Groyne

Babylon English Dictionary

dike; breakwater
Groyne Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
See Groin.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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groyne
\groyne\ (?), n. [obs.] see groin.
groyne
n : a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away [syn: breakwater, groin, mole, bulwark, seawall, jetty]



WordNet 2.0

Noun
1. a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
(synonym) breakwater, groin, mole, bulwark, seawall, jetty
(hypernym) barrier
Groyne Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
A groyne (groin in the United States) is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. In the ocean, groynes create beaches, or prevent them being washed away by longshore drift. In a river, groynes prevent erosion and ice-jamming, which in turn aids navigation. Ocean groynes run generally perpendicular to the shore, extending from the upper foreshore or beach into the water. All of a groyne may be under water, in which case it is a submerged groyne. The areas between groups of groynes are groyne fields. Groynes are generally made of wood, concrete, or rock piles, and placed in groups. They are often used in tandem with seawalls. Groynes, however, may cause a shoreline to be perceived as unnatural.

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