Triennial

Pronunciation

• IPA: /tɹaɪˈɛnɪəl/
• Rhymes: -aɪɛnɪəl

Origin

From Latin triennium ("three-year period"), from tres ("three") + annus ("year").

Full definition of triennial

Adjective

1. Happening every three years.triennial elections
2. Lasting for three years.triennial parliaments; a triennial reign

Noun

1. A third anniversary.

Related terms

• biennial
• triennium
• triannual