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arcus

noun

ar·​cus ˈär-kəs How to pronounce arcus (audio)
plural arcus
: an anatomical arch

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arcuation
arcus
arcus senilis
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Cite this Entry

“Arcus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/arcus. Accessed 29 Nov. 2025.

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