Definition of backwaters:
(n) :
(idiomatic, usually figurative) A remote place: somewhere that remains unaffected by new events, progresses, ideas, etc; any field of endeavor that figuratively resembles such a place.
(n) :
The water held back by a dam or other obstruction.
(n) :
A rowing stroke in which the oar is pushed forward to stop the boat; see back water
(v) :
To row or paddle a backwater stroke.
(n) :
(paper industry) Water used in the papermaking process. Recycled to reduce usage of fresh water, and usually containing residual amounts of chemicals and fibres.
(v) :
(idiomatic) To vacillate on a long-held position.