Source : Webster's Revised Unabridged Dictionary (1913)

Panache \Pa*nache"\, n. [F., fr. L. penna a feather. See {Pen} a
   feather.]
   A plume or bunch of feathers, esp. such a bunch worn on the
   helmet; any military plume, or ornamental group of feathers.

         A panache of variegated plumes.          --Prescott.

Source : WordNet®

panache
     n 1: distinctive and stylish elegance; "he wooed her with the
          confident dash of a cavalry officer" [syn: {dash}, {elan},
           {flair}, {style}]
     2: a feathered plume on a helmet