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Definition of Triennial
1. Noun. The 300th anniversary (or the celebration of it).
2. Adjective. Occurring every third year or lasting 3 years.
Definition of Triennial
1. a. Continuing three years; as, triennial parliaments; a triennial reign.
2. n. Something which takes place or appears once in three years.
Definition of Triennial
1. [n -S]
Lexicographical Neighbors of Triennial
Other Resources:
Galician