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.
A tributary. is a smaller stream or river that joins a larger stream or main river. A watershed boundary, also called a drainage divide, marks the outer-most limit of a watershed. A watershed is a tract of land drained by a river and its tributaries.Anything that affects a watershed may eventually impact its tributaries and river as well as the water body at the mouth of the river.he. river mouth. is the place where a river flows into a larger body of water, such as another river, a lake, or an ocean. Upstream. is in the direction of or nearer to the source of a river.