It is called a Delta
The 'mouth' or 'delta'.
2011 mississippi river
The term used to describe the end of slavery is abolition.
no, but an eddy is related to all rivers and is a term used for a section in a river .
The term used to describe one river emptying into another is "tributary." A tributary is a smaller stream or river that flows into a larger one, contributing its water to the main river system. The point where the tributary joins the larger river is called the confluence.
Latency
The term length is used to describe the measured distance from one end to another.
salutation
The "bow" end.
cataract
The technical term for the speed of a river is velocity.
delta