Science
Lakes and Rivers
Oceans and Seas

What is flowing water that empties into an ocean or lake called?

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August 10, 2016 11:48PM

The term for river water entering a lake is called the lake's inflow.

The entry of a river or stream into a terminal lake, sea or ocean is called the mouth of the river.

A related term, estuary, refers to a tidal area that extends upstream from the mouth.