01 n. A plume or bunch of feathers, esp. such a bunch worn on the helmet; any military plume, or ornamental group of feathers.
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1.
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.
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2.
A pleasingly flamboyant style or manner; flair{4}; verve.