i Register
In some senses, decennial is marked as historical. Watch for register when choosing this word.
noun
Synonym of decade, a ten-year period.
A tenth anniversary, particularly
A tenth anniversary, particularly
Roman coins mentioning the vota publica for Macrinus are RIC IV.1 5–13; on vota publica for the decennials and vicennials of emperors in the 2nd and 3rd c. ad, see Chastagnol 1984.
adj
Occurring every ten years.
Of or related to a ten-year period, as a term of office.