When a meander of a river is completely cut off from the river, yet still contains water, it is called an oxbow lake.
What if the meander is cut off only at the "exit", but the "entrance" remains? This could be because of human intervention or potentially insufficient time for sediments to close the "entrance". This section would be lake-like in that it has little current, yet still would be connected to the river.
Is this still considered an oxbow lake, or is there a better term?