Water held or pushed back by or as if by a dam or current.
Agua retenida o empujada hacia atrás por o como si fuera por una presa o corriente.
A body of water thus formed.
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A place or situation regarded as isolated, stagnant, or backward: "The running of family fortunes has always been a backwater—albeit a lucrative one—of the investment management business” ( Business Week).
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A rowing or paddling stroke in which the oar or paddle is pushed forward, used to check a boat's forward motion or move it backward.