Last name meaning Ferris: This is an Anglicization of the Old Gaelic name O' Fearghusa - a compound of the Gaelic O (meaning grandson or male descendant) and the personal name Fergus, composed of the elements fear - a man and gus - vigour or force...
At other times, a confluence can be the location where two smaller streams or rivers merge to become the source for a new river. This is the case in Pittsburgh, Pennsylvania, where the Monongahela River and Allegheny River merge to create the Ohio River.
Example of a Confluence Landform: 1  Niagara River and Lake Ontario, Canada. 2  The picture of the confluence is of Zanskar and Indus rivers connecting in Leh, Ladakh, India.