Pronunciation: (ā'tē nīn'), [key]
1. a cardinal number, 80 plus 9.
2. a symbol for this number, as 89 or LXXXIX.
3. a set of this many persons or things.
amounting to 89 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.