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.
Split and merge into it. Answer by Xpovos31415. Confidence votes 127. A river mouth is a portion of a stream where it merges with another stream. Note that here the definition of stream is not a small river, but any flowing current within well defined banks..