Definition of countershaft in English:

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Pronunciation: /ˈkoun(t)ərˌSHaft/


A machine driveshaft that transmits motion from the main shaft to where it is required, such as the drive axle in a vehicle.
Example sentences
  • A popular solution is to spread the gear sets over three, instead of the usual two, countershafts, trading length for width.
  • Since the force on the right countershaft is downward, neither a tenon nor a handwheel is required.
  • The countershaft can be adopted for extremely sophisticated engines with high cylinders.

For editors and proofreaders

Syllabification: coun·ter·shaft

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