n. a device for converting electric signals into sounds, designed to be held over or inserted into the ear; as, The common telephone handset has a speaker and an earpiece. Syn. -- earphone, headphone, phone. [ WordNet 1.5 ]
(n) electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear, Syn. headphone, earpiece, phone, Example:it was not the typing but the earphones that she disliked