Definition from Wiktionary, the free dictionary
earpiece (plural earpieces)
- A speaker placed inside or held near to the ear.
- Holding the earpiece to my ear, I could hear him speaking clearly.
- The arm on a pair of glasses that hooks over the ear to hold them in place.
- My glasses won't stay on, as I've broken the left earpiece.
speaker placed inside or held near the ear
arm of pair of glasses