Countershaft

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Countershaft \Coun"ter*shaft`\ (koun"t?r-sh?ft`), n. (Mach.)
     An intermediate shaft; esp., one which receives motion from a
     line shaft in a factory and transmits it to a machine.
     [1913 Webster]