An arm of a river, flowing be-tween islands and the main-land, and sep-arating the islands from one another. Sloughs have not the breadth of the main river, nor does the main body of water of the stream flow through them. Dunlieth & D. Bridge Co. v. Dubuque County, 55 lowa, 565, 8 N. W. 443
Source: Black's Law Dictionary 2nd Ed (1910)