arcus

[ ahr-kuhs ]

noun,plural ar·cus.Meteorology.
  1. a dense, horizontal, roll-shaped cloud sometimes occurring at the lower front portion of a cumulonimbus.

Origin of arcus

1
<Latin: bow, arch

Words Nearby arcus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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