What Does It Mean?

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From our dictionary:
pa•nache

(pu•nash', -näsh'),
n.
1. a grand or flamboyant manner; verve; style; flair: The actor who would play Cyrano must have panache.
2. an ornamental plume of feathers, tassels, or the like, esp. one worn on a helmet or cap.
3. Archit.the surface of a pendentive.