[puh-nash, -nahsh] 
| 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. | Architecture. the surface of a pendentive. |
| pa·nache (pə-nāsh', -näsh') n.
[French, plume, verve, from Italian pinnacchio, plume, from Late Latin pinnāculum, diminutive of Latin pinna, feather, wing; see pet- in Indo-European roots.] |