Definition of arcus senilis in English:

arcus senilis

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

noun

Medicine
  • 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.

Origin

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

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody