gear vs wheel arch

gear

noun
  • A wheel with grooves (teeth) engraved on the outer circumference, such that two such devices can interlock and convey motion from one to the other; a gear wheel. 

  • Recreational drugs, including steroids. 

  • Clothing; garments. 

  • A configuration of the transmission of a motor car so as to achieve a particular ratio of engine to axle torque. 

  • Equipment or paraphernalia, especially that used for an athletic endeavor. 

  • A particular combination or choice of interlocking gears, such that a particular gear ratio is achieved. 

verb
  • To provide with gearing; to fit with gears in order to achieve a desired gear ratio. 

  • To dress; to put gear on; to harness. 

  • To design or devise (something) so as to be suitable (for a particular type of person or a particular purpose). 

  • To borrow money in order to invest it in assets. 

  • To be in, or come into, gear. 

adj
  • great or fantastic 

wheel arch

noun
  • The shaped part of the bodywork of a car or other vehicle that allows the wheel to be accessed, and in the case of front wheels, enable them to be steered. 

How often have the words gear and wheel arch occurred in a corpus of books? (source: Google Ngram Viewer )