Thanks for using this online dictionary, we have been helping millions of people improve their use of the TAMIL language with its free online services. Tamil meaning of Octennial is as below...

Octennial : எட்டு ஆண்டுகளுக்கு ஒரு முறை நிகழ்கிற எட்டாண்டு நிடீத்திருக்கிற.

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[3] Historical Dictionary: When a word was first coined, what was its spelling and meaning during the first coinage, when did its spelling, pronunciation and meaning change, and what is the current form and meaning of the word as described in the dictionary, so E. Historical Dictionary. E.g., The Shorter Oxford English Dictionary. The dictionary from which the word octennial is derived has many meanings in the historical dictionary. But The Shorter Oxford English Dictionary is the best.

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