vibrator

[vahy-brey-ter]
noun
  1. a person or thing that vibrates.
  2. any of various machines or devices causing a vibratory motion or action.
  3. a small appliance of variable shape, made to oscillate very rapidly and used in vibratory massage.
  4. Electricity.
    1. a device in which, by continually repeated impulses, a steady current is changed into an oscillating current.
    2. a device for producing electric oscillations.

Origin of vibrator

First recorded in 1860–65; vibrate + -or2
Related formsnon·vi·bra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for vibrator

vibrator

noun
    1. a device for producing a vibratory motion, such as one used in massage or in the distribution of wet concrete in moulds
    2. such a device with a vibrating part or tip, used as a dildo
  1. a device in which a vibrating conductor interrupts a circuit to produce a pulsating current from a steady current, usually so that the current can then be amplified or the voltage transformedSee also chopper (def. 6)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for vibrator
n.

1862, "that which vibrates," agent noun in Latin form from vibrate (v.). Attested from 1888 in reference to various appliances; specific sense of "small electrical device for sexual stimulation" is recorded from 1953.

Online Etymology Dictionary, © 2010 Douglas Harper