A tributary.
A tributary.
tributary is the collective term A tributary is a smaller stream which flows into a larger river. The name of an individual stream depends on the size of the stream. It may be a river or a creek or a canal if it is manmade.
Creek
A tributary
A stream or river called that flows into a larger stream or river is called a tributary.
It is a tributary.
The stream is a tributary of the river.
A Tributary
A waterfall.
It's called a tributary.
Tributary
Tributary