Search Result for "arcus": 
Wordnet 3.0

NOUN (1)

1. a whitish deposit in the shape of an arc that is sometimes seen in the cornea;
[syn: arcus, arcus senilis]



WordNet (r) 3.0 (2006):

arcus
    n 1: a whitish deposit in the shape of an arc that is sometimes
         seen in the cornea [syn: arcus, arcus senilis]