Noun: earplug 'eer,plúg
- A plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
"He inserted earplugs before operating the jackhammer"
- An earphone that is inserted into the ear canal
"She listened to music through discreet earplugs during her commute"
Derived forms: earplugs
Type of: earphone, earpiece, headphone, phone, plug, stopper, stopple
Encyclopedia: Earplug