Pronunciation: (sev'un-tēnth'), [key]
1. next after the sixteenth; being the ordinal number for 17.
2. being one of 17 equal parts.
1. a seventeenth part, esp. of one (1/17).
2. the seventeenth member of a series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.