vibrator

noun11

1. •
   A device that vibrates or causes vibration.
2. •
   A vibrating device used for massage or sexual stimulation.

   • They recommend a vibrator because it's a safe alternative to sex.
3. •
   A trembler, as of an electric bell.
4. •
   A vibrating reed for transmitting or receiving pulsating currents in a harmonic telegraph system.
5. •
   A device for vibrating the pen of a siphon recorder to diminish frictional resistance on the paper.
6. •
   An oscillator.
7. •
   An ink-distributing roller in a printing machine, having an additional vibratory motion.
8. •
   A vibrating reed in a musical instrument, especially a reed organ.
9. •
   Any of various vibrating devices, such as one for slackening the warp as a shed opens.
10. •
    An attachment, usually pneumatic, in a moulding machine to shake the pattern loose.
11. •
    (historical) 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.