In some rare cases a river could flow into the ground and dry up completely at the Small rivers may be called by several other names, including stream, creek.
tributary
tributary
tributary
tributary
The mouth of a stream is where it meets a larger body of water, such as a lake, ocean, or another stream. It is where the stream's water flows out and mixes with the water of the larger body.
The stream of water which flows like a river through the ocean is a current. The Gulf Stream is the most significant such current which flows from the tropics to the northern latitudes.
A river is a large stream of fresh water that flows across land and empties into an ocean, lake, or some other body of water.
black
There is no single name for a single stream of water that flows into an ocean but headwaters would be a good one for a single stream of water into a lake
Ocean current
currents
current people