/ Thesaurus / A Synonyms of arcus senilis Find synonyms for: Noun1. arcus, arcus senilis, corneausage: a whitish deposit in the shape of an arc that is sometimes seen in the corneaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language