Definition of arcus senilis in English:

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arcus senilis

Pronunciation: /ˌärkəs səˈnīlis/


A narrow opaque band encircling the cornea, common in old age.
Example sentences
  • My arcus senilis of two years' duration disappeared completely after 18 months of atorvastatin (taken for a moderately raised serum cholesterol concentration).
  • It appears more often in older adults (arcus senilis).
  • A study of arcus senilis in Caucasian men and women is reported.


Late 18th century: Latin, literally 'senile bow'.

For editors and proofreaders

Syllabification: ar·cus se·ni·lis

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