From Longman Dictionary of Contemporary Englishsand barˈsand bar noun [countable] HEOa long pile of sand in a river or the ocean, formed by the movement of the water
Examples from the Corpus
sand bar• A sand bar was dredged, allowing the passenger and excursion steamers to make better use of the port.• The Kumbukan river rises with the first rains and breaks down the sand bar between itself and the sea. 