septennial

From septennium + -al, from Latin septennis (“7-year”), q.v.

• (US) IPA^(key): /sɛpˈtɛniəl/

septennial (not comparable)

1. Of or relating to a 7 year period.

   septennial parliaments... septennial elections...

   • 1837, L[etitia] E[lizabeth] L[andon], “An Act of Parliament”, in Ethel Churchill: Or, The Two Brides. […], volume II, London: Henry Colburn, […], →OCLC, page 189:

     "Lawgivers were never more mistaken," said Lady Mary, "than when they ordained that the conjugal tie should last through life for better and worse; the last injunction being strictly complied with. There should be septennial marriages, as well as septennial parliaments!"

• “septennial”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “septennial”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “septennial”, in OneLook Dictionary Search.

• antispleen