iris

iris is defined in Webster's Unabridged Dictionary (1913) with 5 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.The rainbow. Sir T. Browne.
  2. 2.An appearance resembling the rainbow; a prismatic play of colors. Tennyson.
  3. 3.(Anat.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye.
  4. 4.(Bot.) A genus of plants having showy flowers and bulbous or tuberous roots, of which the flower-de-luce (fleur-de-lis), orris, and other species of flag are examples. See Illust. of Flower-de-luce.
  5. 5.(Her.) See Fleur-de-lis, 2.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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