hackbut hackbush • hackbuteer · · · Info · Definitions · Synonyms · Characters · · hackbut · · Text Latin · · Script 7 · · Length Definitions · · · (noun) an obsolete firearm with a long barrel. Synonyms: arquebus, harquebus, hagbut. · · Noun Definition 1 Synonyms · · · arquebus · · Synonym 1 harquebus · · Synonym 2 hagbut · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 h latin small letter h U+0068 k latin small letter k U+006B t latin small letter t U+0074 u latin small letter u U+0075