Mouth
The part of a river that empties into a body of water is called the mouth of the river
The Ob River empties into the Arctic Ocean.
That is the mouth of the river.
It keeps emptying water out. The mouth of the river doens't change shape or anything. It just is the part of the river when the river empties into a lake or ocean, etc.
The Nile empties into the Mediterranean Sea.
a rainbow
A river - the "river-mouth" is where it empties into the sea or a lake.
The Nile River delta.
The River Niger empties into the Gulf of Guinea :)
brook, stream, runoff The delta
The Mekong River Delta is located in the southeastern region of Vietnam. This is where the Mekong River empties into the sea.
The part of a river that empties into a large body of water is called a delta.