Pronunciation: (twen'tē-nīnth', twun'-), [key]
1. next after the twenty-eighth; being the ordinal number for 29.
2. being one of 29 equal parts.
1. a twenty-ninth part, esp. of one (1/29).
2. the twenty-ninth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.