noun, plural ar·cus. Meteorology.
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Origin of arcus
Words nearby arcus
Example sentences from the Web for arcus
Moreover, there is the arcus senilis, the fine translucent to opaque circle surrounding the outer portion of the iris.Arteriosclerosis and Hypertension:|Louis Marshall Warfield
Otia si tollas, periere Cupidinis arcus—Remove 45 the temptations of idleness, and Cupid's bow is useless.
The etymology of arcus is the same; the root arc not only means to hurl, but to sing or resound.Myth and Science|Tito Vignoli
Its claim, as the parent of projectile implements, is recognized in the common etymology of arcus, arcualia—artillery.
A view of this is given by Donati, who calls it the Arcus Domitiani.Old Rome|Robert Burn