vibrator

Short definition from Wiktionary

Noun

1. 1
   A device that vibrates or causes vibration: A vibrating device used for massage or sexual stimulation.
2. 2
   A device that vibrates or causes vibration: 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.
3. 3
   A device that vibrates or causes vibration: A trembler, as of an electric bell.
4. 4
   A device that vibrates or causes vibration: A vibrating reed for transmitting or receiving pulsating currents in a harmonic telegraph system.
5. 5
   A device that vibrates or causes vibration: A device for vibrating the pen of a siphon recorder to diminish frictional resistance on the paper.
6. 6
   A device that vibrates or causes vibration: An oscillator.
7. 7
   A device that vibrates or causes vibration: An ink-distributing roller in a printing machine, having an additional vibratory motion.
8. 8
   A device that vibrates or causes vibration: A vibrating reed in a musical instrument, especially a reed organ.
9. 9
   A device that vibrates or causes vibration: Any of various vibrating devices, such as one for slackening the warp as a shed opens.
10. 10
    A device that vibrates or causes vibration: An attachment, usually pneumatic, in a moulding machine to shake the pattern loose.