Save Type Surname (from location) Usage Portuguese Pronounced Pron. /kɐʃ.ˈtɛ.lu/(European Portuguese) /kas.ˈtɛ.lu/(Brazilian Portuguese) [key·simplify] Meaning & HistoryExpand Links Portuguese cognate of Castle. Related NamesDetails RootcastellumOther Languages & CulturesCastell(Catalan) Castle(English) Castillo(Spanish)