Refers to a leak, especially rainwater leaking through a roof or ceiling. Often used in contexts of building maintenance or weather damage.
The typhoon caused a leak in the ceiling.
I repaired the roof to fix the leak.
roof leak; leaking roof
Derived from the verb 漏る (もる, 'to leak'), with the continuative form used as a noun. The kanji 漏 means 'leak' or 'escape'.