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.
River waters simply meeting is one thing, but when those bodies of water display distinguishing colors from one other without mixing, it can create some truly astounding environmental displays. When two or more bodies of water meet, like rivers, itâs called a confluence. This occurs when two streams join to become one river or, as in the examples below, when a tributary joins a larger river.