triennial
[trahy-en-ee-uh l]
- occurring every three years.
- lasting three years.
- a third anniversary.
- something that appears or occurs every three years.
- a period of three years; triennium.
Origin of triennial
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for triennial
Contemporary Examples
For years, the triennial confab has been remarkable mostly for airy oratory by national leaders playing to the crowd back home.
Lupton, Cara McCarty, Matilda McQuaid, and Cynthia Smith curated the Triennial.
Historical Examples
The number of graduates, as appears from the triennial catalogue, is 3,191.
We turn again to the Triennial, and count the starred names.
The Education of American GirlsAnna Callender Brackett
Read his report made to the stockholders at their triennial meeting in 1822.
Thirty Years' View (Vol. I of 2)Thomas Hart Benton
They did so, and found nothing hut a Harvard Triennial Catalogue.
The Luck of Roaring Camp and Other TalesBret Harte
The former was in favor of septennial, the latter of triennial parliaments.
Junius UnmaskedJoel Moody
triennial
- relating to, lasting for, or occurring every three years
- a third anniversary
- a triennial period, thing, or occurrence
Word Origin
C17: from Latin triennium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for triennial
Online Etymology Dictionary, © 2010 Douglas Harper