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Related to cupola: cupola furnace
a. A vaulted roof or ceiling.
b. A small dome set on a circular or polygonal base or resting on pillars.
c. A small structure surmounting a roof or dome, often used as a lookout or to admit light and air.
2. A cylindrical shaft type of blast furnace used for remelting metals, usually iron, before casting.
3. A small rounded and domed structure, as for observation, on a tracked, armored vehicle.
[Italian, from Late Latin cūpula, diminutive of Latin cūpa, tub; possibly akin to various words denoting hollow objects across Eurasia, such as Greek kupellon, drinking vessel, goblet, Old Norse húfr, hull of a ship, Old English hȳf, skep, and Sanskrit kūpaḥ, hole.]
cu′po·laed (kyo͞o′pə-ləd) adj.
1. (Architecture) a roof or ceiling in the form of a dome
2. (Architecture) a small structure, usually domed, on the top of a roof or dome
3. (Firearms, Gunnery, Ordnance & Artillery) a protective dome for a gun on a warship
4. (Metallurgy) a vertical air-blown coke-fired cylindrical furnace in which iron is remelted for casting
[C16: from Italian, from Late Latin cūpula a small cask, from Latin cūpa tub]
cu•po•la(ˈkyu pə lə)
n., pl. -las.
a. a light structure on a dome or roof, serving as a belfry, lantern, or belvedere.
b. a dome, esp. one covering a circular or polygonal area.
2. any of various domelike structures.
3. a vertical furnace for melting iron to be cast.
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|Noun||1.||cupola - a vertical cylindrical furnace for melting iron for casting|
furnace - an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.
|2.||cupola - a roof in the form of a dome|
dome - a hemispherical roof