Definitions

from The Century Dictionary.

  • noun The first shaft from the prime mover from which the main or line-shaft is driven. It is usually of a short length, and is connected to the turbine or engine by belting, gearing, or by a rope-drive.

Etymologies

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Examples

  • "Only time you ever heard me I was hauling you up with your broken jack-shaft," snorts Pelty.

    Homeburg Memories George Fitch 1896

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