iris
iris \'i--r*s\ \'i--r*-.de-z, 'ir-*-\ n or iris.es or iri.des [ME, fr. L irid-, iris rainbow, iris plant, fr. Gk, rainbow, iris p] [NL irid-, iris, fr. Gk] [NL Irid-, Iris, genus name, fr. L] pl lant, iris of the eye - more at WIRE 1: RAINBOW 2: the opaque contractile diaphragm perforated by the pupil and forming the colored portion of the eye 3: any of a large genus (Iris of the family Iridaceae, the iris famil y) of perennial herbaceous plants with linear usu. basal leaves and large showy flowersIris \'i--r*s\ n [L, fr. Gk] : the goddess if the rainbow and messenger of the gods in Greek mythology
Webster's English Dictionary