anabranch

/ˈænəˌbræntʃ/
noun
  1. A section of a river or stream that leaves the main channel and later rejoins it, forming a loop or island.
    • The river split into an anabranch that created a small island in the middle.
    • During the flood, the water carved a new anabranch through the forest.
    • Geographers studied the anabranch to understand how the river changed course over time.
Synonyms
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