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Webster 1913 Edition

Septennial

Sep-ten′ni-al

,
Adj.
[L.
septennium
a period of seven years;
septem
seven +
annus
year. See
Seven
, and
Annual
.]
1.
Lasting or continuing seven years;
as,
septennial
parliaments
.
2.
Happening or returning once in every seven years;
as,
septennial
elections in England
.

Webster 1828 Edition

Septennial

SEPTEN'NIAL

,
Adj.
[L. septennis; septem, seven, and annus, year.]
1. Lasting or continuing seven years; as septennial parliaments.
2. Happening or returning once in wvery seven years; as septennial elections in England.

Definition 2024

septennial

septennial

English

Adjective

septennial ‎(not comparable)

  1. Lasting or continuing seven years; as, septennial parliaments.
  2. Happening or returning once in every seven years; as, septennial elections in England.

Etymology

From Late Latin septennium ‎(“a period of seven years”).

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