— indictional , adj.
/in dik"sheuhn/ , 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. Cf. lustrum .
4. a specified year in this period.
5. the number indicating it.
[ 1350-1400; ME indiccio ( u ) n indiction- (s. of indictio ) announcement, equiv. to indict ( us ) ptp. of indicere to announce, proclaim + -ion- -ION ]