[{"Bold_text": "noun", "List Items": ["Architecture.a light structure on a dome or roof, serving as a belfry, lantern, or belvedere.a dome, especially one covering a circular or polygonal area.", "a light structure on a dome or roof, serving as a belfry, lantern, or belvedere.", "a dome, especially one covering a circular or polygonal area.", "any of various domelike structures.", "Metallurgy.a vertical furnace for melting iron to be cast."]}]