noun
- plural of river; large natural streams of water flowing toward an ocean, sea, lake, or another river
Examples
- The Amazon and Nile are among the world’s longest rivers.
- Many cities were built along rivers for transportation and trade.
- The rivers in this region provide fresh water for irrigation.
- Salmon swim upstream in these rivers to spawn.
- Heavy rains caused the rivers to overflow their banks.
- Ancient civilizations often developed near major rivers.