massager; massaging device
Refers to electronic or mechanical devices used for massage, including handheld massagers, massage chairs, and vibrators. The term is broad and can include personal massagers.
My stiff shoulders were so bad that I bought a massager.
This massager has strong vibrations and feels good.
electric massager
Standard spelling using 器 (device).
Alternate spelling using 機 (machine); also common.
Compound of マッサージ (massage) + 器 (device) or 機 (machine). The word マッサージ is borrowed from English 'massage'.