Meaning of twenty-first

twen•ty-first

Pronunciation: (twen'tē-fûrst', twun'-), [key]
— adj.
  1. next after the twentieth; being the ordinal number for 21.
  2. being one of 21 equal parts.
—n.
  1. a twenty-first part, esp. of one ().
  2. the twenty-first member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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