speed gear


noun
  1. an adjustable gear for driving a machine at various speeds.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use speed gear in a sentence

  • Fig.8 shows another European design, in which a variable-speed gear is used.

  • The auto slowed down, as the low-speed gear came into play, and bowled along under a stretch of shady trees.

    The Motor Boys Overland | Clarence Young
  • He threw in the second speed gear and in a little while had lessened the distance between the auto and the motor-cycle.

    The Motor Boys Overland | Clarence Young
  • The next instant the auto fairly sprang forward, as Jerry threw on the high-speed gear and opened wide the flow of gasolene.

    The Motor Boys Overland | Clarence Young
  • With its four-change speed-gear a motor cycle seems better adapted for easy and economical travelling than the human machine.

    A Book of Exposition | Homer Heath Nugent