| Harmonicon (n.) A small, flat, wind instrument of music, in which the notes are produced by the vibration of free metallic reeds. Thesaurus Entries French harp, Irish harp, aeolian harp, cithara, clarsach, dulcimer, harmonica, harmonicon, heptachord, hexachord, kazoo, langspiel, lyre, mouth bow, mouth harp, mouth organ, polychord, symphonia, zither |