drag·net /ˈdrægˌnɛt/
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Drag·net n. A net to be drawn along the bottom of a body of water, as in fishing.
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dragnet
n 1: a system of coordinated measures for apprehending (criminals
or other individuals); "caught in the police dragnet"
2: a conical fishnet dragged through the water at great depths
[syn: trawl, trawl net]