octennial
Americanadjective
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occurring every eight years.
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of or for eight years.
adjective
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occurring every eight years
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lasting for eight years
Other Word Forms
Etymology
Origin of octennial
1650–60; < Late Latin octenni ( um ) eight-year period ( oct- oct- + -enn-, combining form of annus year + -ium -ium ) + -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But the octennial solemnity in honor of the god included at first no other competition except that of bards, who sang each a pæan with the harp.
From The Great Events by Famous Historians, Volume 01 by Rudd, John
Now an octennial cycle is the shortest period at the end of which sun and moon really mark time together after overlapping, so to say, throughout the whole of the interval.
From The Golden Bough by Frazer, James George, Sir
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
