| Triennial: English to Bangla |
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| Triennial: English to English | | Triennial (a.) Continuing three years; as, triennial parliaments; a triennial reign. | | Triennial (a.) Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation. | | Triennial (n.) Something which takes place or appears once in three years. | |