Definition of triennium in English:


Line breaks: tri|en¦nium
Pronunciation: /trʌɪˈɛnɪəm

noun (plural triennia /-nɪə/ or trienniums)

A specified period of three years.
More example sentences
  • Indeed, he deferred submitting a proposal for renewal of a triennium of funding two years ago while he pulled together a massive restructuring of the organisation.
  • We call it vocational registration, and we have to accumulate a minimum number of points over a triennium.
  • The new International Rules of Yacht Racing, covering the triennium 2001-2004, were implemented for the first time in an Optimist regatta in Asia and the race organizers watched with great interest.


mid 19th century: from Latin, from tri- 'three' + annum 'year'.

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
not showing a serious or respectful attitude