[in-dik-shuh
n] 
| 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 called cycle of indiction. the recurring fiscal period of 15 years in the Roman Empire, long used for dating ordinary events. Compare lustrum. |
| 4. | a specified year in this period. |
| 5. | the number indicating it. |