arcus
Americannoun
-
arcus
plural
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
This must be distinguished from the true fatty arcus senilis.
From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various
Moreover, there is the arcus senilis, the fine translucent to opaque circle surrounding the outer portion of the iris.
From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Louis Marshall Warfield
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.
