Har*mon"i*ca (?), n. [Fem. fr. L. harmonicus harmonic. See Harmonic, 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.
<-- NOTE: This is now called the "Glass harmonica". The modern hand instrument has reeds -->
2.
A toy instrument of strips of glass or metal hung on two tapes, and struck with hammers.
© Webster 1913.