also: きゅぽら
noun
Refers to a small dome or a dome-like structure on a roof, or a furnace used in foundries. The meaning depends on context.
教会の屋根に小さなキューポラが乗っている。
There is a small cupola on the roof of the church.
鋳物工場でキューポラを使って鉄を溶かす。
They melt iron using a cupola in the foundry.