sackbut sackbag • sackcloth · · · Info · Definitions · Characters · · sackbut · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a medieval musical instrument resembling a trombone. · · Noun Definition 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 k latin small letter k U+006B s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075