noun
river plain; riverbed area
Refers to the flat land along a river, often within the river's floodplain or between levees. Can include the dry riverbed and adjacent low-lying areas. Used in contexts like parks, sports grounds, or land management.
川敷に野球場が作られた。
A baseball field was built on the river plain.
大雨で川敷が水没した。
The riverbed area was submerged by heavy rain.
Compound of 川 (kawa, 'river') and 敷 (shiki, 'spread' or 'lay'), referring to the spread-out land along a river. The reading かわしき is a straightforward combination of the kun'yomi of 川 and the on'yomi of 敷.