iris
US /ˈaɪ.rɪs/
UK /ˈaɪ.rɪs/
1.
the flat, colored, ring-shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the center
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Her blue iris sparkled in the sunlight.
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The pupil is the opening in the center of the iris.
2.
a plant with sword-shaped leaves and showy, colorful flowers, typically with three upright petals and three drooping sepals
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She planted purple irises along the garden path.
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The vibrant colors of the iris flowers brightened the landscape.