1. (n.) The goddess of the rainbow, and swift-footed messenger of the gods.
2. (n.) The rainbow.
3. (n.) An appearance resembling the rainbow; a prismatic play of colors.
4. (n.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye.
5. (n.) 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.