Definition of "gearhead" []

• A mechanical device used to increase the torque of gears. (noun)
• An enthusiast for new technology, or for motoring. (noun)

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• "Many people passively appreciate cars, but the term "gearhead" means something more."
• "The actual conversion is fairly simple, but you have to be the kind of gearhead who is willing to do surgery on your vehicle."
• "I would never go so far as to call myself a "gearhead"."