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noun Go-devil n. (Mach.) (a)A weight which is dropped into a bore, as of an oil well, to explode a cartridge previously lowered. (b)A device, as a loosely fitted plug, which is driven through a pipe by the pressure of the contents behind the plug to clear away obstructions. (c)A rough sled or dray used for dragging logs, hauling stone, etc. (Local, U. S.)
Collaborative International Dictionary of English 0.48
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