- a proclamation made every 15 years in the later Roman Empire, fixing the valuation of property to be used as a basis for taxation.
- a tax based on such valuation.
- the recurring fiscal period of 15 years in the Roman Empire, long used for dating ordinary events.
- a specified year in this period.
- the number indicating it.
- a recurring fiscal period of 15 years, often used as a unit for dating events
- a particular year in this period or the number assigned it
- (from the reign of Constantine the Great)
- a valuation of property made every 15 years as a basis for taxation
- the tax based on this valuation
