The Collaborative International Dictionary
Harmonica \Har*mon"i*ca\ (-[i^]*k[.a]), n. [Fem. fr. L. harmonicus harmonic. See Harmonic, n. ]
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.
A toy instrument of strips of glass or metal hung on two tapes, and struck with hammers.
A small wind musical instrument shaped like a flat bar with holes along the thin edges, held in the hand and producing notes from multiple vibrating reeds arranged inside along its length; it was formerly called the harmonicon. See harmonicon.
Wiktionary
n. (context musical instruments English) A musical instrument composed of a series of spinning glass bowls, played with the fingers, invented by Benjamin Franklin. See armonica.
Wikipedia
The glass harmonica, also known as the glass armonica, glass harmonium, bowl organ, hydrocrystalophone, or simply the armonica or harmonica (derived from , harmonia, the Greek word for harmony), is a type of musical instrument that uses a series of glass bowls or goblets graduated in size to produce musical tones by means of friction (instruments of this type are known as friction idiophones).
Usage examples of "glass harmonica".
There was a great battle in the eighteenth century in Germany, in the recurring nightmares of Marianne Kirchgessner, a blind virtuoso on the glass harmonica.
Instead, unearthly music, as though from a glass harmonica, came from the far end, which appeared to be about fifty meters away.