Meaning of fifty-eighth

fif•ty-eighth

Pronunciation: (fif'tē-ātth', -āth'), [key]
— adj.
  1. next after the fifty-seventh; being the ordinal number for 58.
  2. being one of 58 equal parts.
—n.
  1. a fifty-eighth part, esp. of one ().
  2. the fifty-eighth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.