endorheic lake; inland lake with no outflow to the sea
A lake that does not drain into an ocean; water leaves only by evaporation or seepage. Often found in arid regions.
The Caspian Sea is the world's largest endorheic lake.
The water level of an endorheic lake is determined by the balance between precipitation and evaporation.
Compound of 内陸 (ないりく, 'inland') and 湖 (こ, 'lake'). The term is a direct calque of the English 'endorheic lake' or 'inland lake', used in geography.