Bible Dictionaries
Septennial

Webster's Dictionary

(1):

(a.) Happening or returning once in every seven years; as, septennial elections in England.

(2):

(a.) Lasting or continuing seven years; as, septennial parliaments.

Bibliography Information
Webster, Noah. Entry for 'Septennial'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/septennial.html. 1828.