01 n. A branch of a river that reënters, or anastomoses with, the main stream; also, less properly, a branch which loses itself in sandy soil.
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A branch of a river that reënters, or anastomoses with, the main stream; also, less properly, a branch which loses itself in sandy soil.[Australia]“Such branches of a river as after separation reunite, I would term anastomosing branches; or, if a word might be coined, anabranches, and the islands they form branch islands.” — Col. Jackson.