noun
wedding; marriage ceremony; nuptials
Refers to the ceremony itself, not necessarily the reception or party afterward. Common collocations include 結婚式を挙げる, 結婚式に出席する, and 結婚式場.
来月、京都で結婚式を挙げます。
We are having our wedding in Kyoto next month.
友人の
I attended a friend's wedding.