arcus

n. type of roll shaped cloud formation

Arcus may mean:Arcus AS, a Norwegian producer of liquorArcus cloud, a low, horizontal cloud formationArcus Foundation, a foundation that envisions and contributes to a pluralistic world that celebrates diversity and dignity, invests in social justice, and promotes tolerance and compassionArcus (video game) and its sequel Arcus II: Silent Symphony, computer gamesArcus (Titan) (pl. arcūs), any arc-shaped feature found on Saturn's moon Titan (planetary geology)Arcus senilis, a faint whitish ring around the iris in elderly people; discolouration of the iris with ageArcus functions are the Inverse trigonometric functions.
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Arcuş or Árkos (Romanian: Arcuş; Hungarian: Árkos) is a commune in Covasna County, Romania. It became an independent commune when it split from Valea Crişului (Sepsikőröspatak) in 2004. The commune has an absolute Székely Hungarian majority. For demographics see Valea Crişului.
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Noun
1. an arc-shaped whitish deposit sometimes seen in the cornea
(synonym) arcus senilis
(hypernym) cornea

noun
arch
arcus senilis = grey ring round the cornea, found in old people

A cloudy opaque arc or circle around the edge of the eye, often seen in the eye of the elderly.

N M
bow| arc| coil| arch; rainbow; anything arched or curved