for•ty-thirdPronunciation: (fôr'tē thûrd'), [key]
next after the forty-second; being the ordinal number for 43.
being one of 43 equal parts.
a forty-third part, esp. of one (1/43
the forty-third member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.