Relating to or belonging to the aerarium, the public treasury of ancient Rome.
From Latin aerarium with the suffix -ian, meaning 'relating to' or 'of.' It describes things connected to the Roman state treasury or its management.
An 'aerarian' person in ancient Rome would have been like a modern Treasury Department official—managing the money that kept the empire running!
Complete word intelligence in one call. Free tier — 50 lookups/day.