har·mon·i·ca /hɑrˈmɑnɪkə/
  口琴,玻璃或金屬片的敲打樂器
  Har·mon·i·ca n.
  1. A musical instrument, consisting of a series of hemispherical glasses which, by touching the edges with the dampened finger, give forth the tones; it is now called the glass harmonica, to distinguish it from the common harmonica, formerly called the harmonicon.
  2. A toy instrument of strips of glass or metal hung on two tapes, and struck with hammers.
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  harmonica
       n : a small rectangular free-reed instrument having a row of
           free reeds set back in air holes and played by blowing
           into the desired hole [syn: mouth organ, harp, mouth
           harp]