Pronunciation: (nīn'tēnth'), [key]
1. next after the eighteenth; being the ordinal number for 19.
2. being one of 19 equal parts.
1. a nineteenth part, esp. of one (1/19).
2. the nineteenth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.