harmonium Harmonite • harmonizable · · · Info · Definitions · Synonyms · Characters · · harmonium · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a free-reed instrument in which air is forced through the reeds by bellows. Synonyms: organ, reed organ. · · Noun Definition 1 Synonyms · · · organ · · Synonym 1 reed organ · · Synonym 2 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075