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banner cloud

American  

noun

Meteorology.

  1. a plume-shaped cloud extending downwind from an isolated mountain peak.

Etymology

Origin of banner cloud

First recorded in 1905–10

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.

There was a very beautiful curved 'banner' cloud south of Erebus this morning, perhaps a warning of what is to come.

From Project Gutenberg

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.