adj. Lasting or continuing seven years; as, septennial parliaments.
adj. Happening or returning once in every seven years; as, septennial elections in England.
the GNU version of the Collaborative International Dictionary of English
adj. Lasting or continuing seven years.
adj. Happening or returning once in every seven years.
The Century Dictionary and Cyclopedia
Lasting or continuing seven years: as, septennial parliaments.
Occurring or returning once in every seven years: as, septennial elections.
Word Usage
"Elections had become a cheerful formality, a septennial folly, an ancient unmeaning custom; a social Parliament as ineffectual as the convocation of the Established Church in"