Definitions

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

  • n. The ordinal number matching the number 20 in a series.
  • n. One of 20 equal parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. The ordinal form of the number twenty.
  • n. A person or thing in the twentieth position.
  • n. One of twenty equal parts of a whole.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Next in order after the nineteenth; tenth after the tenth; coming after nineteen others; -- the ordinal of twenty.
  • adj. Constituting, or being, one of twenty equal parts into which anything is divided.
  • n. The next in order after the nineteenth; one coming after nineteen others.
  • n. The quotient of a unit divided by twenty; one of twenty equal parts of one whole.

from The Century Dictionary and Cyclopedia

  • Next after the nineteenth: an ordinal numeral.
  • Being one of twenty equal parts into which anything is divided.
  • n. The quotient of unity divided by twenty; one of twenty equal parts of anything.
  • n. In early English law, a twentieth of the rents of the year, or of movables, or both, granted or levied by way of tax.

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

  • adj. coming next after the nineteenth in position
  • n. position 20 in a countable series of things

Etymologies

twenty +‎ -eth (Wiktionary)

Examples

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