Pronunciation: (nīn),[key] —n. 1. a cardinal number, eight plus one.
2. a symbol for this number, as 9 or IX.
3. a set of this many persons or things.
4. a baseball team.
5. a playing card with nine pips.
6. dressed to the nines, looking one's best; dressed smartly, splendidly, etc.: All the girls were dressed to the nines for the party. 7. the Nine,the Muses.