noun
Refers to a large Christian church that is the seat of a bishop. Often used for famous European cathedrals.
パリのノートルダム大聖堂は世界的に有名です。
Notre-Dame Cathedral in Paris is world-famous.
教会 is a general term for a church (building or congregation), while 大聖堂 specifically refers to a large, important cathedral.
Compound of 大 (dai, 'large') + 聖堂 (seidō, 'sacred hall' or 'church'). The term is used to translate 'cathedral' in a Christian context.