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

  • adj. Twentieth.
  • adj. Proceeding or occurring in intervals of 20.
  • adj. Based on or relating to 20.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. A twentieth part
  • adj. Occurring in intervals of 20
  • adj. To the base 20

from the GNU version of the Collaborative International Dictionary of English

  • adj. Twentieth; divided into, or consisting of, twenties or twenty parts.

from The Century Dictionary and Cyclopedia

  • Based upon twenty.
  • Twentieth.

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

  • adj. relating to or based on the number twenty


From Latin vīgēsimus, variant of vīcēsimus, twentieth, from vīgintī, twenty; see wīkm̥tī- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin vīcēsimus. (Wiktionary)



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