noun coun·ter·shaft

Definition of countershaft

  1. 1 :  a mechanism used to transmit motion and power from a main driving shaft to an individual machine, typically mounted by hangers on a ceiling, and driven by one belt from the main shaft and in turn driving the machine by another belt

  2. 2 :  a short shaft in a machine (as an automobile) carrying intermediate gears to transmit motion usually with change of speed or direction or both from one set of gears to another



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Origin and Etymology of countershaft

counter- + shaft

Seen and Heard

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capable of being understood in two ways

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