1. A small object fastened to a key chain or key ring and designed to be comfortably grasped
   "He used the keyfob to remotely unlock his car";
   - key fob, fob

1. An electronic device attached to a keychain that can remotely control various functions like unlocking doors or starting a car
   "She pressed the button on her key fob to locate her car in the parking lot"

Derived forms: key fobs, keyfobs

Type of: accessory, accouterment [US], accoutrement

Encyclopedia: Keyfob