Confluence
meeting of two or more bodies of flowing water
Confluence means the meeting of two or more waterways.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Koblenz_im_Buga-Jahr_2011_-_Deutsches_Eck_01.jpg/220px-Koblenz_im_Buga-Jahr_2011_-_Deutsches_Eck_01.jpg)
It usually means the point where a smaller river joins a more major river.
Example
changeThe German city name Koblenz indicates that the city lies at the point at the confluence of the Rhine and the Moselle.