Pronunciation: (siks'tē-nīnth'), [key]
1. next after the sixty-eighth; being the ordinal number for 69.
2. being one of 69 equal parts.
1. a sixty-ninth part, esp. of one (1/69).
2. the sixty-ninth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.