Last Updated
：2025/11/29
pierre perdu
Noun
uncountable
Japanese Meaning
海壁や防波堤の基礎として、水中に無造作に積み上げられた石またはコンクリートの塊 / 護岸工事に使用されるため、水中に散乱して配置された石やコンクリート塊
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Blocks of stone or concrete heaped loosely in the water to make a foundation (as for a sea wall), a breakwater, etc.
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pierre perdu
After the storm, the engineers inspected the pierre perdu lining the harbor to assess how well it had protected the seawall.
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After the storm, the engineers inspected the pierre perdu lining the harbor to assess how well it had protected the seawall.
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