Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Consisting of or containing seven.
  • adj. Of seventh rank or order.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Consisting of, or relating to, seven.
  • adj. Lasting seven years; continuing seven years.
  • n. The number seven.

from The Century Dictionary and Cyclopedia

  • Consisting of or relating to seven: as, a septenary number.
  • Lasting seven years; occurring once in seven years: as, a septenary term; a septenary council.
  • n. The number seven; the heptad.
  • n. A group of seven things.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the cardinal number that is the sum of six and one

Etymologies

From the Latin septēnārius ("consisting of seven each"), from septēnī ("seven each”, “seven at a time") + -ārius (whence the English suffix -ary). (Wiktionary)

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