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cap cloud

American  

noun

Meteorology.
  1. a stationary cloud directly above an isolated mountain peak.

  2. pileus.


Etymology

Origin of cap cloud

First recorded in 1860–65

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.

See Examples For:

Thus, the cloud is present only over the top of the mountain and just downwind, forming a hat-like cap cloud that is often circular.

From Washington Post Jan. 22, 2023

Lovely little cap cloud over Rainier this afternoon.

From Seattle Times May 4, 2022

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