eight•y-fourthPronunciation: (ā'tē fôrth', -fōrth'), [key]
next after the eighty-third; being the ordinal number for 84.
being one of 84 equal parts.
an eighty-fourth part, esp. of one (1/84
the eighty-fourth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.