noun (n)

• electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear

  untuk menukar electro acoustic konverter energi listrik sinyal ke bunyi; ini diadakan atas atau dimasukkan ke dalam telinga

  Example:
  It was not the typing but the earphones that she disliked.
  

  Synonym:
  earpiece, headphone, phone
  

  source: wordnet30