Definitions
occurring every third year or lasting 3 years
Word origin
From Latin triennium (“three-year period”), from tres (“three”) + annus (“year”). By surface analysis, tri- + -ennial.
Used in a sentence
“triennial elections”
“They were constantly summoned to a triennial festival : and the most approved songs delivered at this assembly were ordered to be preserved in the custody of the king's historian or antiquary”
“triennial parliaments; a triennial reign”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Every third year”9 letters
02“Every three years”9 letters
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