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English definition of “arcus”

arcus

noun [C or U] uk   /ˈɑː.kəs/ us    /ˈɑr.kəs/ (plural arcus) specialized
a medical word for a feature that is curved in shape: Corneal arcus is frequently associated with early coronary artery disease.Substances and structures in the body
(Definition of arcus from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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