Vibrator

Noun

1. A device that vibrates or causes vibration. A vibrating device used for massage or sexual stimulation.

   "They recommend a vibrator because it's a safe alternative to sex."

2. A vibrating device used for massage or sexual stimulation.

   "They recommend a vibrator because it's a safe alternative to sex."

3. A device designed to electromechanically interrupt current flowing to the step-up transformer which was used to generate the high tension positive supply in old battery-operated (automotive) valve radios.
4. A trembler, as of an electric bell.
5. A vibrating reed for transmitting or receiving pulsating currents in a harmonic telegraph system.