Save Gender Masculine Usage Medieval Italian, Italian (Tuscan) Pronounced Pron. /ˈbat.t͡ʃo/(Italian) [key·simplify] Meaning & History Diminutive of names ending in -accio which are preceded by a B sound, such as Bartolomeaccio, Bartolaccio, Iacobaccio, Bindaccio or Fortebraccio.