noun, noun which may take the genitive case particle 'no'
flood; floodwater
Refers to a large overflow or body of water caused by heavy rain, river swelling, or similar flooding. Can modify another noun with の, as in 大水の被害.
大水で橋が流された。
The bridge was washed away by the flood.
村は大水の被害を受けた。
The village suffered damage from the flood.