arcus senilis

[ ahr-kuhs suh-nahy-lis ]

/ ˈɑr kəs səˈnaɪ lɪs /

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noun Ophthalmology.

the appearance of a yellowish-gray lipid ring around the margin of the cornea, occurring in aging persons.

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Origin of arcus senilis

First recorded in 1785–95, arcus senilis is from Latin arcus senīlis literally, “old man's bow”

Words nearby arcus senilis

arcuate veins of kidney, arcuate zone, arcuation, arcus, arcus cornealis, arcus senilis, arc welding, -ard, ardeb, Ardebil, Ardèche

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use arcus senilis in a sentence

Cum hoc arcus ejus extenditur, et primo sagittam in partem contrariam transmittit, et unum interficit.
The Fair Maid of Perth|Sir Walter Scott
The frustules are curved or arcuate (arcus, a bow) in the side view, oblong and narrowed at the ends in the front view.
An Elementary Text-book of the Microscope|John William Griffith
It is common to advancing years (canities senilis); it is seen also exceptionally in early life (canities præmatura).
Essentials of Diseases of the Skin|Henry Weightman Stelwagon
Du Cange gives arcus sellae equestris as one of the meanings of circus.
The Latin & Irish Lives of Ciaran|Anonymous

They are called arcus horarum inequalium, as they shew the 'houres inequales.'
Chaucer's Works, Volume 3 (of 7)|Geoffrey Chaucer

British Dictionary definitions for arcus senilis

arcus senilis

/ (ˈɑːkəs sɪˈnaɪlɪs) /

noun

an opaque circle around the cornea of the eye, often seen in elderly people

Word Origin for arcus senilis

Latin: senile bow

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012