Duodecennial Du`o*de*cen"ni*al, a. [L. duodecennis; duodecim twelve + annus year.] Consisting of twelve years. [R.] --Ash. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • duodecennial — du·o·decennial …   English syllables

  • duodecennial — |d(y)ü(ˌ)ō+ adjective Etymology: Late Latin duodecennium period of 12 years (from Latin duodecim twelve from duo two + decim, from decem ten + ennium, from annus year) + English al more at two …   Useful english dictionary

  • Anniversary — For other uses, see Anniversary (disambiguation). An anniversary is a day that commemorates and/or celebrates a past event that occurred on the same day of the year as the initial event. For example, the first event is the initial occurrence or,… …   Wikipedia

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