from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A diverging branch of a river, creek, or stream which re-enters the main stream.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. A branch of a river which reunites with it lower down, thus forming an island known as a branch-island. Called by the aborigines billabong.
From ana- + branch. (Wiktionary)