Pronunciation: (siks'tē-fûrst'), [key]
1. next after the sixtieth; being the ordinal number for 61.
2. being one of 61 equal parts.
1. a sixty-first part, esp. of one (1/61).
2. the sixty-first member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.