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

  • n. One of a series of rows placed one above another: a stadium with four tiers of seats.
  • n. A rank or class.
  • transitive v. To arrange (something) into or rise in tiers: tier a wedding cake; balconies that tier upward.
  • n. One that ties: a tier of knots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who ties (knots, etc).
  • n. Something that ties.
  • n. A layer or rank, especially of seats or a wedding cake.
  • v. To arrange in layers.
  • v. To cascade in an overlapping sequence.

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, ties.
  • n. A chold's apron covering the upper part of the body, and tied with tape or cord; a pinafore.
  • n. A row or rank, especially one of two or more rows placed one above, or higher than, another.

from The Century Dictionary and Cyclopedia

  • To pile, build, or arrange in tiers. Compare tierer.
  • n. A range of mountains.
  • n. One who or that which ties.
  • n. A child's apron. Also, erroneously, tire.
  • n. In entomology, same as leaf-tier.
  • n. A row; a rank, particularly when two or more rows are placed one above another: as, a tier of seats in a theater; the old three-decked war-ships had three tiers of guns on each side, the upper, middle, and lower tiers.
  • n. In organ-building, same as rank, 1 .
  • n. See tire.

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

  • n. a relative position or degree of value in a graded group
  • n. a worker who ties something
  • n. any one of two or more competitors who tie one another
  • n. something that is used for tying
  • n. one of two or more layers one atop another


Middle English tire, row, rank, from Old French, from tirer, to draw out; see tirade.
(American Heritage® Dictionary of the English Language, Fourth Edition)
to tie + -er (Wiktionary)
Maybe from Middle French, from Old French tirer, "draw, pull out". (Wiktionary)



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  • Is this the last of Leonard? No. His fall is broken by tiers of fern fronds.

    - William Steig, The Zabajaba Jungle

    October 5, 2008