You may be referring to a delta.
A sand bar deposited across the mouth of a bay is called a barrier bar. These natural formations can protect the bay from waves and storms, as well as create new habitats for marine life.
baymouth bar
A long, narrow island that is created by the depositing of sand in shallow water is called a "sand bar." Sand bars can be found at the mouths of rivers, as well as in lakes or oceans.
aaagrips.com
Sand bars are located in rivers.
A bar shoe is a variety of horseshoe with a bar across the usual opening of the heel.
One can narrow their search field on eBay in many ways. The best way to narrow the search field is by using the side bar to narrow what they are looking for by category, price, department, etc.
Click the arrow which is undo on the status bar on top.
Vertical Split Bar
The pull-up bar doesn't fit in the doorway because the doorway is too narrow or the bar is too wide for it to be properly installed.
bay mouth bar
'Theta' is a Classical Greek letter. There is no equivalent in the modern western alphabet. 'Theta' as a letter symbol looks like an oval on its narrow bend, with a bar across its centre.