jackshaft

English

Etymology

jack +‎ shaft

Noun

jackshaft (plural jackshafts)

  1. A common mechanical component used to transfer or synchronize rotational force in a machine.
    Synonym: countershaft
  2. A wheelless axle used to turn the wheels of a locomotive.

Translations

Verb

jackshaft (third-person singular simple present jackshafts, present participle jackshafting, simple past and past participle jackshafted)

  1. To transfer or synchronize rotational force by means of a jackshaft.
    Synonym: countershaft
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