noun ダウンロード 🔗共有 まぐさ A horizontal structural beam spanning an opening, such as between the uprights of a door or a window, and which supports the wall above. Examples : "The heavy stone lintel above the doorway kept the bricks from falling. " ドアの上にある重い石のまぐさが、レンガが落ちるのを防いだ。 architecture building structure material AIとチャット語彙ゲーム読解練習