a rounded dome forming or adorning a roof or ceiling 穹顶;圆屋顶 ■a gun turret 旋转炮塔 ■(亦作 cupola furnace)a cylindrical furnace for refining metals, with openings at the bottom for blowing in air and originally with a dome leading to a chimney above 化铁炉;冲天炉
派生 cupolaed [-ləd] adjective 语源
mid 16th cent.: Italian, from late Latin cupula 'small cask or burying vault', diminutive of cupa 'cask'