eighteen: Meaning and Definition of

eight•een

Pronunciation: (ā'tēn'), [key]
— n.
  1. a cardinal number, ten plus eight.
  2. a symbol for this number, as 18 or XVIII.
  3. a set of this many persons or things.
—adj.
  1. amounting to 18 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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