
• (n.) A small, flat, wind instrument of music, in which the notes are produced by the vibration of free metallic reeds.
Found on
http://thinkexist.com/dictionary/meaning/harmonicon/
Har·mon'i·con (-ĭ*kŏn)
noun A small, flat, wind instrument of music, in which the notes are produced by the vibration of free metallic reeds.
Found on
http://www.encyclo.co.uk/webster/H/15

The harmonicon was a musical instrument consisting of a large barrel-organ, containing, in addition to the ordinary pipes, others to imitate the different wind-instruments, and an apparatus to produce the effects of drums, triangles, cymbals &c. so that the combined sounds produced the effect of a military band.
Found on
http://www.probertencyclopaedia.com/browse/VH.HTM

harmonicon 1. A small, flat, wind instrument of music, in which the notes are produced by the vibration of free metallic reeds. 2. Any of various percussion instruments that use graduated bars of metal or other hard material as sounding elements.
Found on
http://www.wordinfo.info/words/index/info/view_unit/3713/
No exact match found.