confluence confluence /ˈkɑːnfluːəns/

noun

1. A coming together of people  ( concourse , confluence )
   a coming together of people
   
2. A flowing together  ( confluence , conflux , merging )
   a flowing together
   
   
3. A place where things merge or flow together (especially rivers)  ( confluence , meeting )
   a place where things merge or flow together (especially rivers)
    Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers
   Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers