Webster’s Revised Unabridged Dictionary · 1913
Panache
Pa·nache′ (pȧ·nȧsh′), 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.