no, its the flood plain
The overflow. It's called the overflow.
Sand
Levee
It means a river whose waters have overflowed it's banks onto the adjacent floodplain.
Because the torrent of water would carry sediment, as does any flood, and this would be deposited when the Nile overflowed its banks.
John Oxley explored the Lachlan River in May 1817. It was on 17 May that he discovered the Lachlan River overflowed its banks and he could no longer determine where the main channel was, in order to follow it.
children raced to safety, and birds flew away as the river flooded the banks.
oppagangnam style
banks
banks
The Egyptians looked forward to the annual flooding of the Nile river for the enrichment of the fields . When the Nile overflowed its banks it deposited fertile silt onto their farm fields. This was so vital for them to grow their food it many festivals and deities evolved around the inundation.
Fine particles of fertile land that is deposited on the banks of a river after a flood
A channel.
I'm pretty sure it has not happened since the Aswan Dam was completed around 1970.