Definify.com
Webster 1913 Edition
Backwater
Back′waˊter
,Noun.
[
Back
, a. or adv. + -water
. ] 1.
Water turned back in its course by an obstruction, an opposing current, or the flow of the tide, as in a sewer or river channel, or across a river bar.
2.
An accumulation of water overflowing the low lands, caused by an obstruction.
3.
Water thrown back by the turning of a waterwheel, or by the paddle wheels of a steamer.