occurring every seven years.
of or for seven years.
something that occurs every seven years.
Origin of septennial
1630–40;Related formssep·ten·ni·al·ly, adverb
< Late Latin septenni(s
) (Latin septuennis
) seven years old (sept(em
combining form of annus
year + -is
adj. suffix) + -al1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for septennial
Historical Examples of septennial
As such, the elder Grattan, who was a courtier, opposed the Septennial Bill.
Would Americans, in general, ever submit to septennial elec-109-tions?
The former was in favor of septennial, the latter of triennial parliaments.
In 1716 this was repealed, and the present act passed, making them septennial.
The Parliament of England, with respect to America, was not septennial but perpetual.
British Dictionary definitions for septennial
Derived Formsseptennially, adverb
occurring every seven years
relating to or lasting seven years
Word Origin for septennial
C17: from Latin septennis, from septem seven + annus a year
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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