River is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river.
In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water.
The term "river" also refers to:
1. A large quantity of a flowing substance (e.g. "a river of tears")
2. In card games, the fifth community card dealt face-up
3. A surname of English origin