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  1. Biennial Definition & Meaning - Merriam-Webster

  2. BIENNIAL Definition & Meaning | Dictionary.com

  3. BIENNIAL | English meaning - Cambridge Dictionary

  4. BIENNIAL | definition in the Cambridge English Dictionary

  5. biennial, adj. & n. meanings, etymology and more | Oxford English ...

  6. Biennial - Definition, Meaning & Synonyms | Vocabulary.com

  7. biennial adjective - Definition, pictures, pronunciation and usage ...

  8. BIENNIAL definition and meaning | Collins English Dictionary

  9. biennial - Wiktionary, the free dictionary

  10. BIENNIAL | definition in the Cambridge Learner’s Dictionary