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British Dictionary definitions for layshaft

layshaft

noun
  1. an auxiliary shaft in a gearbox, running parallel to the main shaft, to and from which drive is transferred to enable varying ratios to be obtained
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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