Pronunciation: (bil'u-bông", -bong"), [key]
1. a branch of a river flowing away from the main stream but leading to no other body of water; a blind or dead-end channel.
2. a creek bed holding water only in the rainy season; a dried-up watercourse.
3. a stagnant backwater or slough formed by receding floodwater.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.