Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A period of ten years.
  • noun A group or series of ten.

from The Century Dictionary.

  • noun See decad.

from the GNU version of the Collaborative International Dictionary of English.

  • noun A group or division of ten; esp., a period of ten years; a decennium

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A series of ten Hail Marys in the rosary.
  • noun rare The interval between any two quantities having the ratio 10 to 1.

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

  • noun a period of 10 years
  • noun the cardinal number that is the sum of nine and one; the base of the decimal system

Etymologies

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

[Middle English, a group of ten, from Old French, from Late Latin decas, decad-, from Greek dekas, from deka, ten; see dekm̥ in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Middle French decade, from Late Latin decas ("(set of) ten"), from Ancient Greek δέκας (dékas), from δέκα (déka, "ten")

Examples

Comments

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  • Do we have any incipient Words of the Decade lists at all? Just wondering. (I'm not planning to start one.)

    December 23, 2009

  • Why, yes! I made one this morning.

    December 23, 2009