Learn how to say Irises correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word iris:
Word forms: plural ˈirises
a rainbowlike show or play of colors
the round, pigmented membrane surrounding the pupil of the eye, having muscles that adjust the size of the pupil to regulate the amount of light entering the eye
any of a large genus (Iris) of perennial plants of the iris family, with sword-shaped leaves and conspicuous flowers composed of three petals and three drooping sepals of widely varying color
the flower of these plants
designating a family (Iridaceae, order Liliales) of monocotyledonous plants, including crocuses and gladioluses