diapason diapasm • diapason diapente · · · Info · Definitions · Synonyms · Characters · · diapason · · Text Latin · · Script 8 · · Length 4 · · Syllables Definitions · · · (noun) either of the two main stops on a pipe organ. Synonyms: diapason stop. · · Noun Definition 1 Synonyms · · · diapason stop · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073