noun
cathedral; duomo
Specifically refers to an Italian cathedral, especially the Duomo in Florence or Milan. Not used for cathedrals in general.
from Italian duomo
フィレンツェのドゥオモはとても美しい。
The Duomo in Florence is very beautiful.
ミラノのドゥオモの屋上に登った。
I climbed to the rooftop of the Milan Duomo.