noun
both banks; both shores
Refers to the two sides of a river, stream, or similar body of water. Often used in geographical descriptions, news reports, or literary contexts.
川の両岸に桜が植えられている。
Cherry trees are planted on both banks of the river.
洪水で両岸の家が被害を受けた。
Houses on both banks were damaged by the flood.
片岸 means one bank or one shore, while 両岸 means both banks.
Compound of 両 (both) and 岸 (bank, shore). The reading りょうぎし is a rare alternative using the older kun'yomi for 岸.