There was no 'confluens' of the Great Mosa and the Rhenus.
At Schenk the Rhine sends off its left-hand branch, the Vahalis (Waal), by a western course to join the Mosa or Meuse.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "mosa" in a variety of sentences. We hope that you will now be able to make sentences using this word.