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