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English definition of “iris”

iris

noun [C] (EYE)    /ˈaɪ.rɪs/
the coloured circular part of that eye that surrounds the black pupil (= central part)The eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of iris noun (EYE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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