semibreve semibourgeois • semibreve rest · · · Info · Definitions · Synonyms · Characters · · semibreve · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a musical note having the longest time value (equal to four beats in common time). Synonyms: whole note. · · Noun Definition 1 Synonyms · · · whole note · · Synonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076