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English definition of “choroid”

choroid

noun [C]     /ˈkɔː.rɔɪd/ US  /ˈkɔːr.ɔɪd/ specialized
the layer between the retina and the outer white covering of the eye, which contains blood vessels and pigment (= substance giving colour)The eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of choroid noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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