Pronunciation: (thûr'tē-ātth', -āth'), [key]
1. next after the thirty-seventh; being the ordinal number for 38.
2. being one of 38 equal parts.
1. a thirty-eighth part, esp. of one (1/38).
2. the thirty-eighth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.