英英辞典 - English Dictionary | CUERBO - クエルボ英語辞書

cornerstone

noun

  1. a stone at the outer corner of two intersecting masonry walls

    2つの交差する石壁の外角の外の石

  2. a stone in the exterior of a large and important building

    大きく重要な建造物の外側の石

    usually carved with a date and laid with appropriate ceremonies

    通例日付が刻まれ、適切な式典とともに置かれる

  3. the fundamental assumptions from which something is begun or developed or calculated or explained

    何かが開始されるか、開発されるか、計算されるか、または説明される根本的な仮定

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