reed organ reed meadow grass • reed pipe · · · Info · Definitions · Synonyms · Characters · · reed organ · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) a free-reed instrument in which air is forced through the reeds by bellows. Synonyms: harmonium, organ. · · Noun Definition 1 Synonyms · · · reed · · Synonym 1 vibrating reed · · Synonym 2 beating-reed instrument · · Synonym 3 reed instrument · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072