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(), n.[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. スポンサード リンク
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