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Webster 1913 Edition

Cupola

Cu′po-la

(k?′p?-l?)
,
Noun.
;
pl.
Cupolas
(-l[GREEK]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
.
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.

Webster 1828 Edition

Cupola

CUPOLA

,
Noun.
In architecture, a spherical vault on the top of an edifice; a dome, or the round top of a dome.

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