six•ti•ethPronunciation: (siks'tē-ith), [key]
next after the fifty-ninth; being the ordinal number for 60.
being one of 60 equal parts.
a sixtieth part, esp. of one (1/60
the sixtieth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.