Meaning ofgearheadin English

Noun

1. an enthusiast for technology (especially motors)
   The gearhead spent all weekend working on his car's engine.
   Synonyms:

   tech enthusiastmotorheadpetrolheadcar enthusiasttechnophilemotoring enthusiast
   Antonyms:

   technophobeLuddite
2. a mechanical device for torque increase
   My friend is a total gearhead and loves attending robotics competitions.
   Synonyms:

   transmissiongearboxtorque converter
   Antonyms:

   brakedrag