DICT.TW Dictionary Taiwan

 cu·po·la /ˈkjupələ, &dɪvɪdɛ;ˌlo/
 圓屋頂,圓頂篷,圓頂的塔

 Cu·po·la n.; pl. Cupolas
 1. Arch. A roof having a rounded form, hemispherical or nearly so; also, a ceiling having the same form. When on a large scale it is usually called dome.
 2. A small structure standing on the top of a dome; a lantern.
 3. A furnace for melting iron or other metals in large quantity, -- used chiefly in foundries and steel works.
 4. A revolving shot-proof turret for heavy ordnance.
 5. Anat. The top of the spire of the cochlea of the ear.
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 cupola
      n 1: a vertical cylindrical furnace for melting iron for casting
      2: a roof in the form of a dome