Groyne

//ɡɹɔɪn// noun

Definitions

Noun
  1. 1
    An often wooden structure that projects from a coastline to prevent erosion, longshore drift etc.; a breakwater.

    "Old rail and timber groynes will be erected along the beach to trap shingle moved by coastwise drift, and to rebuild the protection to the toe of the embankment."

  2. 2
    a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away wordnet

Etymology

From Middle English groyn (“snout”), from Old French groign, from Late Latin grunium, grunia, from Latin grunnire (“grunt like a pig”).

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