arcus
Americannoun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of arcus
< Latin: bow, arch
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One evening, ominous, low-lying tube-shaped clouds known as arcus formed, and whitecaps appeared in the waves.
From The Wall Street Journal ● Nov. 30, 2025
Video shows a shelf cloud - a type of arcus cloud - form before a thunderstorm hit Portland.
From BBC ● Sep. 13, 2022
To Cassiopeia, she added, “Next time, try pluvius arcus, dear; the meaning is clearer.”
From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood
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Practically every one with a well-marked arcus senilis has arteriosclerosis, but vice versa not every one with even marked arteriosclerosis has an arcus senilis.
From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall
In elderly persons we ought always to look for the arcus senilis, which is a sign of a tendency to fatty degeneration.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.