GNU Collaborative International Dictionary of English

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  1.       

    Iris , n.; pl. E. Irises , L. Irides . [L. iris, iridis, the goddess, Gr. , , the rainbow, iris of the eye, the plant Iris. Cf. Orris.]
    1. (Class. Myth.) The goddess of the rainbow, and swift-footed messenger of the gods.
      Shak.

      1913 Webster
    2. The rainbow.
      Sir T. Browne.

      1913 Webster
    3. An appearance resembling the rainbow; a prismatic play of colors.
      Tennyson.

      1913 Webster
    4. (Anat.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye.
      1913 Webster
    5. (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.
      1913 Webster
    6. (Her.) See Fleur-de-lis, 2.
      1913 Webster
    7. (Zool.) the inner circle of an oscillated color spot.
      Webster 1913 Suppl.
    8. same as iris diaphragm.
      PJC

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