septennial Hear it!

septennial definition

sep·ten·nial (sep ten′ē əl)

adjective

  1. happening every seven years
  2. lasting seven years

Etymology: < L septennium, a period of seven years < septem, seven + annus, year (see annual) + -al

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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