Harmoniphon
Pronunciation : Har*mon"i*phon
Part of Speech : n.
Etymology : [Gr. (Mus.)
Definition : Defn: An obsolete wind instrument with a keyboard, in which the sound, which resembled the oboe, was produced by the vibration of thin metallic plates, acted upon by blowing through a tube.
Source : Webster's Unabridged Dictionary, 1913