cupola

Noun

WordNet 3.0

Noun (2)

  1. a vertical cylindrical furnace for melting iron for casting
  2. a roof in the form of a dome
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Webster's Dictionary (GCIDE)

Cupola \Cu"po*la\ (k?"p?-l?), n.; pl. Cupolas (-l?z). [It. cupola, LL. cupula, cuppula (cf. L. cupula little tub). fr. cupa, cuppa, cup; cf. L. cupa tub. So called on account of its resemblance to a cup turned over. See Cup, and cf. Cupule.]

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. [1913 Webster]

2.A small structure standing on the top of a dome; a lantern. [1913 Webster]

3.A furnace for melting iron or other metals in large quantity, -- used chiefly in foundries and steel works. [1913 Webster]

4.A revolving shot-proof turret for heavy ordnance. [1913 Webster]

5.(Anat.) The top of the spire of the cochlea of the ear. [1913 Webster]

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