Octennial definitions

Octennial

1) Happening every eight years
Found on https://www.crosswordclues.com/clue/octennial

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Octennial

• (a.) Happening every eighth year; also, lasting a period of eight years.
Found on http://thinkexist.com/dictionary/meaning/octennial/

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Octennial

Oc·ten'ni·al adjective [ Latin octennium a period of eight years; octo eight + annus year.] Happening every eighth year; also, lasting a period of eight years. Johnson. -- Oc*ten'ni*al*ly , adverb
Found on http://www.encyclo.co.uk/webster/O/9

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