the world > the earth > water > rivers and streams > tributary > [noun] > side-stream or backwater
wash1530
by-river1577
by-stream1615
float1629
slew1708
by-rilla1711
marigot1759
off-stream1793
slougha1817
spreader1845
backwater1863
by-water1863
by-channel1864
billabong1865
1863 H. W. BatesNaturalist on River Amazons I. vi. 237 An extensive lake..which..has therefore the appearance of a by-water or an old channel of the river.