Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to a ten-year period.
  • n. A period of ten years; a decade.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A period of ten years.
  • n. A tithing consisting of ten neighbouring families.

from the GNU version of the Collaborative International Dictionary of English

  • n. A period of ten years.
  • n. A tithing consisting of ten neighboring families.

from The Century Dictionary and Cyclopedia

  • Consisting of or involving ten each; relating to a tithing.
  • n. In old English law, a tithing consisting of ten freeholders and their families.
  • n. A period of ten years.

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

  • n. a period of 10 years

Etymologies

From Latin decennis, lasting for ten years; see decennium.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin decennium a period of ten years; decem ten + annus a year. (Wiktionary)

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