Cupola



noun — Plural: Cupolas
1.
ដំបូលអាគាររាងមូល
ENGLISH MEANING
noun — Plural: Cupolas
1.
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.
The top of the spire of the cochlea of the ear.