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Definition of iris noun from the Oxford Advanced Learner's Dictionary

iris

noun
 
/ˈaɪrɪs/
 
/ˈaɪrɪs/
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  1. the round coloured part that surrounds the pupil of your eyeTopics Bodyc2
  2. a tall plant with long pointed leaves and large purple or yellow flowersTopics Plants and treesc2
    3. Word Originmodern Latin, via Latin from Greek iris ‘rainbow, iris’.
See iris in the Oxford Advanced American Dictionary
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