Dictionary
grande dame
Pronunciation: (gran' dam', dām'; Fr. gränd dam'), [key]
—pl. grandes damesPronunciation: (gran' damz', dāmz'; Fr. gränd dam'). [key]
1. a usually elderly woman of dignified or aristocratic bearing.
2. a woman who is the doyenne of a specific field:
a grande dame of the American theater. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.