vibrator (n.)youdaoicibaDictYouDict[vibrator 词源字典]
1862, "that which vibrates," originally a part in a musical instrument, 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.[vibrator etymology, vibrator origin, 英语词源]