quaestorEnglishOxford Dictionary of Englishquaestor /ˈkwiːstə / ▸ noun (in ancient Rome) any of a number of officials who had charge of public revenue and expenditure. – DERIVATIVES quaestorial /kwiːˈstɔːriəl / adjective quaestorship /ˈkwiːstəʃɪp / noun– ORIGIN Latin, from an old form of quaesit- ‘sought’, from the verb quaerere.