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boring mill

Metalworking. a machine for boring large holes in heavy work, having a table on which the work rotates while the hole is bored vertically.
Origin of boring mill
1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for boring mill
  • Machining equipment includes lathes, a horizontal boring mill, and saws.
  • The company offers overhead crane capabilities, grip elevators, boring mill facilities and radial drill capabilities.
British Dictionary definitions for boring mill

boring mill

(engineering) a large vertical lathe having a rotating table on which work is secured. Tools are held on a fixed post and the work is rotated around it Also called (informal) roundabout
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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