melodeonPronunciation: /mɪˈləʊdɪən/ (also melodion)Definition of melodeon noun 1a small accordion of German origin, played especially by folk musicians. [ mid 19th century: probably from melody, on the pattern of accordion] 2a small organ popular in the 19th century, similar to the harmonium. [alteration of earlier melodium]melodeon in other Oxford dictionaries Definition of melodeon in the US English dictionary
