Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arcus

1 sense of arcus

Sense 1
arcus, arcus senilis -- (a whitish deposit in the shape of an arc that is sometimes seen in the cornea)
       => cornea -- (the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera)