also: かせんしき
riverbed area; flood plain; riverside land
Refers to the flat land along a river, often used for parks, sports fields, or agriculture, and typically within the river's flood control zone.
We practiced baseball on the riverside grounds.
The riverbed area was submerged by heavy rain.
I like taking walks along the riverbank in the evening.
I had a barbecue with friends on the riverside land.
The riverside flood plain was submerged due to the heavy rain.
There's a baseball field on this stretch of riverside land.
The city developed the riverside land into a park.