earpiece Syllabification: (ear·piece)Pronunciation: /ˈi(ə)rˌpēs/Translate earpiece | into German Definition of earpiece noun 1the part of a telephone, radio receiver, or other aural device that is applied to the ear during use. 2the part of a pair of glasses that fits around the ear. earpiece in other Oxford dictionaries Definition of earpiece in the British & World English dictionary