indiction: Meaning and Definition of

in•dic•tion

1. a proclamation made every 15 years in the later Roman Empire, fixing the valuation of property to be used as a basis for taxation.
2. a tax based on such valuation.
3. Also calledthe recurring fiscal period of 15 years in the Roman Empire, long used for dating ordinary events. Cf. lustrum.
4. a specified year in this period.
5. the number indicating it.