'Septennial' definitions:
Definition of 'Septennial'
From: GCIDE
- Septennial \Sep*ten"ni*al\, a. [L. septennium a period of seven years; septem seven + annus year. See Seven, and Annual.]
- 1. Lasting or continuing seven years; as, septennial parliaments. [1913 Webster]
- 2. Happening or returning once in every seven years; as, septennial elections in England. [1913 Webster]