Your ShelfYour Projects
Webster's Dictionary (1865)

Pā-nā'che', n.

noun

(pā-nāsh'), n. [Fr. panache, O. Fr. pennache, It. pennacchio, from Lat. penna, a feather.]

  1. A plume or bunch of feathers worn on the helmet. “A panache of variegated plumes.” Prescott.
  2. (Arch.) A portion of a domical vault having the form of a spherical triangle.