Hĕn'na, n.

noun

n. [Ar. hinnā-a, the dyeing or coloring shrub, cyprus, or Lawsonia inermis. See ALCANNA.]

  1. (Bot.) A thorny tree or shrub of the genus Lawsonia (L. alba).
  2. A paste made of the pounded leaves of the henna-tree, and much used by the Egyptians and Asiatics for dyeing their nails, &c., of an orange hue. It is also used by the men for dyeing their beards, the orange color being afterward changed to a deep black, by the application of indigo.

Loudon. Partington.