countershaft

[ koun-ter-shaft, -shahft ]
/ ˈkaʊn tərˌʃæft, -ˌʃɑft /

noun Machinery.

Origin of countershaft

First recorded in 1860–65; counter- + shaft

Related forms

coun·ter·shaft·ing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for countershaft

countershaft

/ (ˈkaʊntəˌʃɑːft) /

noun

an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train
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