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Added 9 October 2026

arcus

/ˈɑɹkəs/ noun

Latin root: arcus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about arcus at Wordnik → Where our words come from →

A whitish deposit in the shape of an arc that is sometimes seen in the cornea.

Origin

Borrowed from Latin arcus. Doublet of arc and arco. Distantly related to arrow.

From Wiktionary, via Kaikki.org (CC BY-SA)

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