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Meaning of thirty-first

thir•ty-first

Pronunciation: (thûr'tē-fûrst'), [key]
— adj.
  1. next after the thirtieth; being the ordinal number for 31.
  2. being one of 31 equal parts.
—n.
  1. a thirty-first part, esp. of one ().
  2. the thirty-first member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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