Definition of arcus senilis in English:

arcus senilis

Syllabification: ar·cus se·ni·lis
Pronunciation: /ˌärkəs səˈnīlis


A narrow opaque band encircling the cornea, common in old age.
More 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'.

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