Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A river is a large natural stream of water that flows in a specific direction, usually towards the sea. It is characterized by its continuous movement and ability to shape the surrounding landscape.
Related terms
Tributary: A tributary is a smaller stream or river that flows into a larger main river.
Delta: A delta is an area of land where a river splits into several smaller channels before flowing into an ocean or lake.
Source: The source refers to the starting point of a river, usually located in mountains or hills.