Delta.
I have several sentences for you.The mouth of the river is wider than the rest of the river is.The water at the mouth of the river was filled with silt and sand.There were many sand bars at the mouth of the river.
The mouth of a river is where it empties into another river, a lake, a sea, or an ocean.
The mouth of a river is where the river flows into another body of water, such as an ocean, sea, lake, or another river. It is typically wider than the rest of the river and marks the end of the river's journey. At the mouth, the velocity of the river's flow decreases, leading to sediment deposition.
Generally, the mouth of a river is found where it empties into another river, a lake, reservoir or ocean. A large river's mouth can cover a massive area.
Tributary. The Missouri river is a tributary of the Mississippi river.
In geographical terms, the word mouth means an opening into a place such as a cave or volcano. It also means a place where a stream meets with another stream, such as the mouth of a river.
Usually it would be an estuary.
Delta
it is an estuary. This is also called a river mouth and delivers the spring water to the sea.
What you talkin' 'bout fool? The river word? Like, the river has it's own language. Crazy.....
Another word for when saliva comes out of your mouth is drooling.
the part of a river where its water flow into another body of water.ADDED:The junction of two rivers is their Confluence. The mouth of a river is its Estuary.